Bump version to v21.2

Add Version to PTBDeprecationWarning (#4262 )
Documentation Improvements (#4217 )
2026-06-19 07:35:19 +00:00 · 2024-05-20 17:23:38 +02:00 · 2024-05-20 16:12:34 +02:00 · 2024-05-20 15:53:04 +02:00 · 2024-05-20 15:52:30 +02:00 · 2024-05-20 15:27:08 +02:00
115 changed files with 3561 additions and 662 deletions
@@ -157,7 +157,7 @@ Check-list for PRs
 This checklist is a non-exhaustive reminder of things that should be done before a PR is merged, both for you as contributor and for the maintainers.
 Feel free to copy (parts of) the checklist to the PR description to remind you or the maintainers of open points or if you have questions on anything.

- Added ``.. versionadded:: NEXT.VERSION``, ``.. versionchanged:: NEXT.VERSION`` or ``.. deprecated:: NEXT.VERSION`` to the docstrings for user facing changes (for methods/class descriptions, arguments and attributes)
+- Added ``.. versionadded:: NEXT.VERSION``, ``.. versionchanged:: NEXT.VERSION``, ``.. deprecated:: NEXT.VERSION`` or ``.. versionremoved:: NEXT.VERSION`` to the docstrings for user facing changes (for methods/class descriptions, arguments and attributes)
 - Created new or adapted existing unit tests
 - Documented code changes according to the `CSI standard <https://standards.mousepawmedia.com/en/stable/csi.html>`__
 - Added myself alphabetically to ``AUTHORS.rst`` (optional)
@@ -276,7 +276,7 @@ This gives us the flexibility to re-order arguments and more importantly
 to add new required arguments. It's also more explicit and easier to read.


-.. _`Code of Conduct`: https://www.python.org/psf/conduct/
+.. _`Code of Conduct`: https://policies.python.org/python.org/code-of-conduct/
 .. _`issue tracker`: https://github.com/python-telegram-bot/python-telegram-bot/issues
 .. _`Telegram group`: https://telegram.me/pythontelegrambotgroup
 .. _`PEP 8 Style Guide`: https://peps.python.org/pep-0008/
@@ -12,6 +12,8 @@ body:
        To make it easier for us to help you, please read this [article](https://github.com/python-telegram-bot/python-telegram-bot/wiki/Ask-Right).

        Please mind that there is also a users' [Telegram group](https://t.me/pythontelegrambotgroup) for questions about the library. Questions asked there might be answered quicker than here. Moreover, [GitHub Discussions](https://github.com/python-telegram-bot/python-telegram-bot/discussions) offer a slightly better format to discuss usage questions.
+        
+        If you have asked the same question elsewhere (e.g. the [Telegram group](https://t.me/pythontelegrambotgroup) or [StackOverflow](https://stackoverflow.com/questions/tagged/python-telegram-bot)), provide a link to that thread.

  - type: textarea
    id: issue-faced
@@ -16,7 +16,7 @@ jobs:

    - name: Fetch Dependabot metadata
      id: dependabot-metadata
-      uses: dependabot/fetch-metadata@v2.0.0
+      uses: dependabot/fetch-metadata@v2.1.0

    - uses: actions/checkout@v4
      with:
@@ -11,7 +11,7 @@ jobs:
      pull-requests: write # for srvaroa/labeler to add labels in PR
    runs-on: ubuntu-latest
    steps:
-    - uses: srvaroa/labeler@v1.10.0
+    - uses: srvaroa/labeler@v1.10.1
      # Config file at .github/labeler.yml
      env:
        GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
@@ -6,6 +6,7 @@ on:
      - tests/**
      - requirements.txt
      - requirements-opts.txt
+      - requirements-dev.txt
  push:
    branches:
      - master
@@ -6,7 +6,7 @@ ci:

 repos:
 -   repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: 'v0.3.5'
+    rev: 'v0.4.3'
    hooks:
    -   id: ruff
        name: ruff
@@ -17,7 +17,7 @@ repos:
          - cachetools~=5.3.3
          - aiolimiter~=1.1.0
 -   repo: https://github.com/psf/black-pre-commit-mirror
-    rev: 24.3.0
+    rev: 24.4.2
    hooks:
    -   id: black
        args:
@@ -40,7 +40,7 @@ repos:
          - aiolimiter~=1.1.0
          - . # this basically does `pip install -e .`
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.9.0
+    rev: v1.10.0
    hooks:
    -   id: mypy
        name: mypy-ptb
@@ -4,6 +4,58 @@
 Changelog
 =========

+Version 21.2
+============
+
+*Released 2024-05-20*
+
+This is the technical changelog for version 21.2. More elaborate release notes can be found in the news channel `@pythontelegrambotchannel <https://t.me/pythontelegrambotchannel>`_.
+
+Major Changes
+-------------
+
+- Full Support for Bot API 7.3 (:pr:`4246`, :pr:`4260`, :pr:`4243`, :pr:`4248`, :pr:`4242` closes :issue:`4236`, :pr:`4247` by `aelkheir <https://github.com/aelkheir>`_)
+- Remove Functionality Deprecated by Bot API 7.2 (:pr:`4245`)
+
+New Features
+------------
+
+- Add Version to ``PTBDeprecationWarning`` (:pr:`4262` closes :issue:`4261`)
+- Handle Exceptions in building ``CallbackContext`` (:pr:`4222`)
+
+Bug Fixes
+---------
+
+- Call ``Application.post_stop`` Only if ``Application.stop`` was called (:pr:`4211` closes :issue:`4210`)
+- Handle ``SystemExit`` raised in Handlers (:pr:`4157` closes :issue:`4155` and :issue:`4156`)
+- Make ``Birthdate.to_date`` Return a ``datetime.date`` Object (:pr:`4251`)
+
+Documentation Improvements
+--------------------------
+
+- Documentation Improvements (:pr:`4217`)
+
+Internal Changes
+----------------
+
+- Add New Rules to ``ruff`` Config (:pr:`4250`)
+- Adapt Test Suite to Changes in Error Messages (:pr:`4238`)
+
+Dependency Updates
+------------------
+
+- Bump ``furo`` from 2024.4.27 to 2024.5.6 (:pr:`4252`)
+- ``pre-commit`` autoupdate (:pr:`4239`)
+- Bump ``pytest`` from 8.1.1 to 8.2.0 (:pr:`4231`)
+- Bump ``dependabot/fetch-metadata`` from 2.0.0 to 2.1.0 (:pr:`4228`)
+- Bump ``pytest-asyncio`` from 0.21.1 to 0.21.2 (:pr:`4232`)
+- Bump ``pytest-xdist`` from 3.6.0 to 3.6.1 (:pr:`4233`)
+- Bump ``furo`` from 2024.1.29 to 2024.4.27 (:pr:`4230`)
+- Bump ``srvaroa/labeler`` from 1.10.0 to 1.10.1 (:pr:`4227`)
+- Bump ``pytest`` from 7.4.4 to 8.1.1 (:pr:`4218`)
+- Bump ``sphinx`` from 7.2.6 to 7.3.7 (:pr:`4215`)
+- Bump ``pytest-xdist`` from 3.5.0 to 3.6.0 (:pr:`4215`)
+
 Version 21.1.1
 ==============

@@ -14,9 +14,9 @@
   :target: https://pypi.org/project/python-telegram-bot/
   :alt: Supported Python versions

-.. image:: https://img.shields.io/badge/Bot%20API-7.2-blue?logo=telegram
+.. image:: https://img.shields.io/badge/Bot%20API-7.3-blue?logo=telegram
   :target: https://core.telegram.org/bots/api-changelog
-   :alt: Supported Bot API versions
+   :alt: Supported Bot API version

 .. image:: https://img.shields.io/pypi/dm/python-telegram-bot
   :target: https://pypistats.org/packages/python-telegram-bot
@@ -89,7 +89,7 @@ Installing both ``python-telegram-bot`` and ``python-telegram-bot-raw`` in conju
 Telegram API support
 ====================

-All types and methods of the Telegram Bot API **7.2** are supported.
+All types and methods of the Telegram Bot API **7.3** are supported.

 Installing
 ==========
@@ -14,9 +14,9 @@
   :target: https://pypi.org/project/python-telegram-bot-raw/
   :alt: Supported Python versions

-.. image:: https://img.shields.io/badge/Bot%20API-7.2-blue?logo=telegram
+.. image:: https://img.shields.io/badge/Bot%20API-7.3-blue?logo=telegram
   :target: https://core.telegram.org/bots/api-changelog
-   :alt: Supported Bot API versions
+   :alt: Supported Bot API version

 .. image:: https://img.shields.io/pypi/dm/python-telegram-bot-raw
   :target: https://pypistats.org/packages/python-telegram-bot-raw
@@ -85,7 +85,7 @@ Installing both ``python-telegram-bot`` and ``python-telegram-bot-raw`` in conju
 Telegram API support
 ====================

-All types and methods of the Telegram Bot API **7.2** are supported.
+All types and methods of the Telegram Bot API **7.3** are supported.

 Installing
 ==========
@@ -1,5 +1,5 @@
-sphinx==7.2.6
-furo==2024.1.29
+sphinx==7.3.7
+furo==2024.5.6
 furo-sphinx-search @ git+https://github.com/harshil21/furo-sphinx-search@v0.2.0.1
 sphinx-paramlinks==0.6.0
 sphinxcontrib-mermaid==0.9.2
@@ -20,9 +20,9 @@ author = "Leandro Toledo"
 # built documents.
 #
 # The short X.Y version.
-version = "21.1.1"  # telegram.__version__[:3]
+version = "21.2"  # telegram.__version__[:3]
 # The full version, including alpha/beta/rc tags.
-release = "21.1.1"  # telegram.__version__
+release = "21.2"  # telegram.__version__

 # If your documentation needs a minimal Sphinx version, state it here.
 needs_sphinx = "6.1.3"
@@ -67,7 +67,9 @@ source_suffix = ".rst"
 master_doc = "index"

 # Global substitutions
-rst_prolog = (Path.cwd() / "../substitutions/global.rst").read_text(encoding="utf-8")
+rst_prolog = ""
+for file in Path.cwd().glob("../substitutions/*.rst"):
+    rst_prolog += "\n" + file.read_text(encoding="utf-8")

 # -- Extension settings ------------------------------------------------
 napoleon_use_admonition_for_examples = True
@@ -28,6 +28,16 @@ Available Types
    telegram.callbackquery
    telegram.chat
    telegram.chatadministratorrights
+    telegram.chatbackground
+    telegram.backgroundtype
+    telegram.backgroundtypefill
+    telegram.backgroundtypewallpaper
+    telegram.backgroundtypepattern
+    telegram.backgroundtypechattheme
+    telegram.backgroundfill
+    telegram.backgroundfillsolid
+    telegram.backgroundfillgradient
+    telegram.backgroundfillfreeformgradient
    telegram.chatboost
    telegram.chatboostadded
    telegram.chatboostremoved
@@ -36,6 +46,7 @@ Available Types
    telegram.chatboostsourcegiveaway
    telegram.chatboostsourcepremium
    telegram.chatboostupdated
+    telegram.chatfullinfo
    telegram.chatinvitelink
    telegram.chatjoinrequest
    telegram.chatlocation
@@ -77,6 +88,7 @@ Available Types
    telegram.inputmediadocument
    telegram.inputmediaphoto
    telegram.inputmediavideo
+    telegram.inputpolloption
    telegram.inputsticker
    telegram.keyboardbutton
    telegram.keyboardbuttonpolltype
@@ -0,0 +1,8 @@
+BackgroundFill
+==============
+
+.. versionadded:: 21.2
+
+.. autoclass:: telegram.BackgroundFill
+    :members:
+    :show-inheritance:
@@ -0,0 +1,8 @@
+BackgroundFillFreeformGradient
+==============================
+
+.. versionadded:: 21.2
+
+.. autoclass:: telegram.BackgroundFillFreeformGradient
+    :members:
+    :show-inheritance:
@@ -0,0 +1,8 @@
+BackgroundFillGradient
+======================
+
+.. versionadded:: 21.2
+
+.. autoclass:: telegram.BackgroundFillGradient
+    :members:
+    :show-inheritance:
@@ -0,0 +1,8 @@
+BackgroundFillSolid
+===================
+
+.. versionadded:: 21.2
+
+.. autoclass:: telegram.BackgroundFillSolid
+    :members:
+    :show-inheritance:
@@ -0,0 +1,8 @@
+BackgroundType
+==============
+
+.. versionadded:: 21.2
+
+.. autoclass:: telegram.BackgroundType
+    :members:
+    :show-inheritance:
@@ -0,0 +1,8 @@
+BackgroundTypeChatTheme
+=======================
+
+.. versionadded:: 21.2
+
+.. autoclass:: telegram.BackgroundTypeChatTheme
+    :members:
+    :show-inheritance:
@@ -0,0 +1,8 @@
+BackgroundTypeFill
+==================
+
+.. versionadded:: 21.2
+
+.. autoclass:: telegram.BackgroundTypeFill
+    :members:
+    :show-inheritance:
@@ -0,0 +1,8 @@
+BackgroundTypePattern
+=====================
+
+.. versionadded:: 21.2
+
+.. autoclass:: telegram.BackgroundTypePattern
+    :members:
+    :show-inheritance:
@@ -0,0 +1,8 @@
+BackgroundTypeWallpaper
+=======================
+
+.. versionadded:: 21.2
+
+.. autoclass:: telegram.BackgroundTypeWallpaper
+    :members:
+    :show-inheritance:
@@ -0,0 +1,8 @@
+ChatBackground
+==============
+
+.. versionadded:: 21.2
+
+.. autoclass:: telegram.ChatBackground
+    :members:
+    :show-inheritance:
@@ -0,0 +1,6 @@
+ChatFullInfo
+============
+
+.. autoclass:: telegram.ChatFullInfo
+    :members:
+    :show-inheritance:
@@ -0,0 +1,6 @@
+InputPollOption
+===============
+
+.. autoclass:: telegram.InputPollOption
+    :members:
+    :show-inheritance:
@@ -0,0 +1 @@
+.. |app_run_shutdown| replace:: The app will shut down when :exc:`KeyboardInterrupt` or :exc:`SystemExit` is raised. This also works from within handlers, error handlers and jobs. However, using :meth:`~telegram.ext.Application.stop_running` will give a somewhat cleaner shutdown behavior than manually raising those exceptions. On unix, the app will also shut down on receiving the signals specified by
@@ -20,13 +20,15 @@ explicit-preview-rules = true
 ignore = ["PLR2004", "PLR0911", "PLR0912", "PLR0913", "PLR0915", "PERF203"]
 select = ["E", "F", "I", "PL", "UP", "RUF", "PTH", "C4", "B", "PIE", "SIM", "RET", "RSE",
          "G", "ISC", "PT", "ASYNC", "TCH", "SLOT", "PERF", "PYI", "FLY", "AIR", "RUF022",
-          "RUF023", "Q", "INP", "W"]
+          "RUF023", "Q", "INP", "W", "YTT", "DTZ", "ARG"]
 # Add "FURB" after it's out of preview
+# Add "A (flake8-builtins)" after we drop pylint

 [tool.ruff.lint.per-file-ignores]
 "tests/*.py" = ["B018"]
-"tests/**.py" = ["RUF012", "ASYNC101"]
-"docs/**.py" = ["INP001"]
+"tests/**.py" = ["RUF012", "ASYNC101", "DTZ", "ARG"]
+"docs/**.py" = ["INP001", "ARG"]
+"examples/**.py" = ["ARG"]

 # PYLINT:
 [tool.pylint."messages control"]
@@ -48,7 +50,7 @@ exclude-protected = ["_unfrozen"]
 # PYTEST:
 [tool.pytest.ini_options]
 testpaths = ["tests"]
-addopts = "--no-success-flaky-report -rsxX"
+addopts = "--no-success-flaky-report -rX"
 filterwarnings = [
    "error",
    "ignore::DeprecationWarning",
@@ -1,9 +1,9 @@
 pre-commit  # needed for pre-commit hooks in the git commit command

 # For the test suite
-pytest==7.4.4
-pytest-asyncio==0.21.1  # needed because pytest doesn't come with native support for coroutines as tests
-pytest-xdist==3.5.0  # xdist runs tests in parallel
+pytest==8.2.0
+pytest-asyncio==0.21.2  # needed because pytest doesn't come with native support for coroutines as tests
+pytest-xdist==3.6.1  # xdist runs tests in parallel
 flaky  # Used for flaky tests (flaky decorator)
 beautifulsoup4  # used in test_official for parsing tg docs

@@ -22,6 +22,15 @@ __author__ = "devs@python-telegram-bot.org"
 __all__ = (
    "Animation",
    "Audio",
+    "BackgroundFill",
+    "BackgroundFillFreeformGradient",
+    "BackgroundFillGradient",
+    "BackgroundFillSolid",
+    "BackgroundType",
+    "BackgroundTypeChatTheme",
+    "BackgroundTypeFill",
+    "BackgroundTypePattern",
+    "BackgroundTypeWallpaper",
    "Birthdate",
    "Bot",
    "BotCommand",
@@ -46,6 +55,7 @@ __all__ = (
    "CallbackQuery",
    "Chat",
    "ChatAdministratorRights",
+    "ChatBackground",
    "ChatBoost",
    "ChatBoostAdded",
    "ChatBoostRemoved",
@@ -54,6 +64,7 @@ __all__ = (
    "ChatBoostSourceGiveaway",
    "ChatBoostSourcePremium",
    "ChatBoostUpdated",
+    "ChatFullInfo",
    "ChatInviteLink",
    "ChatJoinRequest",
    "ChatLocation",
@@ -131,6 +142,7 @@ __all__ = (
    "InputMediaPhoto",
    "InputMediaVideo",
    "InputMessageContent",
+    "InputPollOption",
    "InputSticker",
    "InputTextMessageContent",
    "InputVenueMessageContent",
@@ -258,6 +270,18 @@ from ._business import (
 from ._callbackquery import CallbackQuery
 from ._chat import Chat
 from ._chatadministratorrights import ChatAdministratorRights
+from ._chatbackground import (
+    BackgroundFill,
+    BackgroundFillFreeformGradient,
+    BackgroundFillGradient,
+    BackgroundFillSolid,
+    BackgroundType,
+    BackgroundTypeChatTheme,
+    BackgroundTypeFill,
+    BackgroundTypePattern,
+    BackgroundTypeWallpaper,
+    ChatBackground,
+)
 from ._chatboost import (
    ChatBoost,
    ChatBoostAdded,
@@ -269,6 +293,7 @@ from ._chatboost import (
    ChatBoostUpdated,
    UserChatBoosts,
 )
+from ._chatfullinfo import ChatFullInfo
 from ._chatinvitelink import ChatInviteLink
 from ._chatjoinrequest import ChatJoinRequest
 from ._chatlocation import ChatLocation
@@ -403,7 +428,7 @@ from ._payment.shippingaddress import ShippingAddress
 from ._payment.shippingoption import ShippingOption
 from ._payment.shippingquery import ShippingQuery
 from ._payment.successfulpayment import SuccessfulPayment
-from ._poll import Poll, PollAnswer, PollOption
+from ._poll import InputPollOption, Poll, PollAnswer, PollOption
 from ._proximityalerttriggered import ProximityAlertTriggered
 from ._reaction import ReactionCount, ReactionType, ReactionTypeCustomEmoji, ReactionTypeEmoji
 from ._reply import ExternalReplyInfo, ReplyParameters, TextQuote
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
 """This module contains an object that represents a Telegram Birthday."""
-from datetime import datetime
+from datetime import date
 from typing import Optional

 from telegram._telegramobject import TelegramObject
@@ -26,7 +26,7 @@ from telegram._utils.types import JSONDict

 class Birthdate(TelegramObject):
    """
-    This object represents a user's birthday.
+    This object describes the birthdate of a user.

    Objects of this class are comparable in terms of equality. Two objects of this class are
    considered equal, if their :attr:`day`, and :attr:`month` are equal.
@@ -70,19 +70,23 @@ class Birthdate(TelegramObject):

        self._freeze()

-    def to_date(self, year: Optional[int] = None) -> datetime:
-        """Return the birthdate as a datetime object.
+    def to_date(self, year: Optional[int] = None) -> date:
+        """Return the birthdate as a date object.
+
+        .. versionchanged:: 21.2
+           Now returns a :obj:`datetime.date` object instead of a :obj:`datetime.datetime` object,
+           as was originally intended.

        Args:
            year (:obj:`int`, optional): The year to use. Required, if the :attr:`year` was not
                present.

        Returns:
-            :obj:`datetime.datetime`: The birthdate as a datetime object.
+            :obj:`datetime.date`: The birthdate as a date object.
        """
        if self.year is None and year is None:
            raise ValueError(
                "The `year` argument is required if the `year` attribute was not present."
            )

-        return datetime(year or self.year, self.month, self.day)  # type: ignore[arg-type]
+        return date(year or self.year, self.month, self.day)  # type: ignore[arg-type]
@@ -58,9 +58,9 @@ from telegram._botcommandscope import BotCommandScope
 from telegram._botdescription import BotDescription, BotShortDescription
 from telegram._botname import BotName
 from telegram._business import BusinessConnection
-from telegram._chat import Chat
 from telegram._chatadministratorrights import ChatAdministratorRights
 from telegram._chatboost import UserChatBoosts
+from telegram._chatfullinfo import ChatFullInfo
 from telegram._chatinvitelink import ChatInviteLink
 from telegram._chatmember import ChatMember
 from telegram._chatpermissions import ChatPermissions
@@ -84,7 +84,7 @@ from telegram._inline.inlinequeryresultsbutton import InlineQueryResultsButton
 from telegram._menubutton import MenuButton
 from telegram._message import Message
 from telegram._messageid import MessageId
-from telegram._poll import Poll
+from telegram._poll import InputPollOption, Poll
 from telegram._reaction import ReactionType, ReactionTypeCustomEmoji, ReactionTypeEmoji
 from telegram._reply import ReplyParameters
 from telegram._sentwebappmessage import SentWebAppMessage
@@ -524,7 +524,10 @@ class Bot(TelegramObject, AsyncContextManager["Bot"]):

    @classmethod
    def _warn(
-        cls, message: str, category: Type[Warning] = PTBUserWarning, stacklevel: int = 0
+        cls,
+        message: Union[str, PTBUserWarning],
+        category: Type[Warning] = PTBUserWarning,
+        stacklevel: int = 0,
    ) -> None:
        """Convenience method to issue a warning. This method is here mostly to make it easier
        for ExtBot to add 1 level to all warning calls.
@@ -837,7 +840,6 @@ class Bot(TelegramObject, AsyncContextManager["Bot"]):
                    f"Please use 'Bot.{endpoint}' instead of "
                    f"'Bot.do_api_request(\"{endpoint}\", ...)'"
                ),
-                PTBDeprecationWarning,
                stacklevel=2,
            )

@@ -2287,9 +2289,10 @@ class Bot(TelegramObject, AsyncContextManager["Bot"]):
        """
        Use this method to send audio files, if you want Telegram clients to display the file
        as a playable voice message. For this to work, your audio must be in an ``.ogg`` file
-        encoded with OPUS (other formats may be sent as Audio or Document). Bots can currently
-        send voice messages of up to :tg-const:`telegram.constants.FileSizeLimit.FILESIZE_UPLOAD`
-        in size, this limit may be changed in the future.
+        encoded with OPUS , or in .MP3 format, or in .M4A format (other formats may be sent as
+        :class:`~telegram.Audio` or :class:`~telegram.Document`). Bots can currently send voice
+        messages of up to :tg-const:`telegram.constants.FileSizeLimit.FILESIZE_UPLOAD` in size,
+        this limit may be changed in the future.

        Note:
            To use this method, the file must have the type :mimetype:`audio/ogg` and be no more
@@ -2610,7 +2613,9 @@ class Bot(TelegramObject, AsyncContextManager["Bot"]):
            live_period (:obj:`int`, optional): Period in seconds for which the location will be
                updated, should be between
                :tg-const:`telegram.constants.LocationLimit.MIN_LIVE_PERIOD` and
-                :tg-const:`telegram.constants.LocationLimit.MAX_LIVE_PERIOD`.
+                :tg-const:`telegram.constants.LocationLimit.MAX_LIVE_PERIOD`, or
+                :tg-const:`telegram.constants.LocationLimit.LIVE_PERIOD_FOREVER` for live
+                locations that can be edited indefinitely.
            heading (:obj:`int`, optional): For live locations, a direction in which the user is
                moving, in degrees. Must be between
                :tg-const:`telegram.constants.LocationLimit.MIN_HEADING` and
@@ -2720,6 +2725,7 @@ class Bot(TelegramObject, AsyncContextManager["Bot"]):
        horizontal_accuracy: Optional[float] = None,
        heading: Optional[int] = None,
        proximity_alert_radius: Optional[int] = None,
+        live_period: Optional[int] = None,
        *,
        location: Optional[Location] = None,
        read_timeout: ODVInput[float] = DEFAULT_NONE,
@@ -2758,6 +2764,15 @@ class Bot(TelegramObject, AsyncContextManager["Bot"]):
                if specified.
            reply_markup (:class:`telegram.InlineKeyboardMarkup`, optional): An object for a new
                inline keyboard.
+            live_period (:obj:`int`, optional): New period in seconds during which the location
+                can be updated, starting from the message send date. If
+                :tg-const:`telegram.constants.LocationLimit.LIVE_PERIOD_FOREVER` is specified,
+                then the location can be updated forever. Otherwise, the new value must not exceed
+                the current ``live_period`` by more than a day, and the live location expiration
+                date must remain within the next 90 days. If not specified, then ``live_period``
+                remains unchanged
+
+                .. versionadded:: 21.2.

        Keyword Args:
            location (:class:`telegram.Location`, optional): The location to send.
@@ -2790,6 +2805,7 @@ class Bot(TelegramObject, AsyncContextManager["Bot"]):
            "horizontal_accuracy": horizontal_accuracy,
            "heading": heading,
            "proximity_alert_radius": proximity_alert_radius,
+            "live_period": live_period,
        }

        return await self._send_message(
@@ -4195,10 +4211,12 @@ class Bot(TelegramObject, AsyncContextManager["Bot"]):
            except NotImplementedError:
                arg_read_timeout = 2
                self._warn(
-                    f"The class {self._request[0].__class__.__name__} does not override "
-                    "the property `read_timeout`. Overriding this property will be mandatory in "
-                    "future versions. Using 2 seconds as fallback.",
-                    PTBDeprecationWarning,
+                    PTBDeprecationWarning(
+                        "20.7",
+                        f"The class {self._request[0].__class__.__name__} does not override "
+                        "the property `read_timeout`. Overriding this property will be mandatory "
+                        "in future versions. Using 2 seconds as fallback.",
+                    ),
                    stacklevel=2,
                )

@@ -4434,16 +4452,19 @@ class Bot(TelegramObject, AsyncContextManager["Bot"]):
        connect_timeout: ODVInput[float] = DEFAULT_NONE,
        pool_timeout: ODVInput[float] = DEFAULT_NONE,
        api_kwargs: Optional[JSONDict] = None,
-    ) -> Chat:
+    ) -> ChatFullInfo:
        """
        Use this method to get up to date information about the chat (current name of the user for
        one-on-one conversations, current username of a user, group or channel, etc.).

+        .. versionchanged:: 21.2
+            In accordance to Bot API 7.3, this method now returns a :class:`telegram.ChatFullInfo`.
+
        Args:
            chat_id (:obj:`int` | :obj:`str`): |chat_id_channel|

        Returns:
-            :class:`telegram.Chat`
+            :class:`telegram.ChatFullInfo`

        Raises:
            :class:`telegram.error.TelegramError`
@@ -4461,7 +4482,7 @@ class Bot(TelegramObject, AsyncContextManager["Bot"]):
            api_kwargs=api_kwargs,
        )

-        return Chat.de_json(result, self)  # type: ignore[return-value]
+        return ChatFullInfo.de_json(result, self)  # type: ignore[return-value]

    async def get_chat_administrators(
        self,
@@ -5311,7 +5332,8 @@ class Bot(TelegramObject, AsyncContextManager["Bot"]):

                .. versionadded:: 20.6
            can_edit_stories (:obj:`bool`, optional): Pass :obj:`True`, if the administrator can
-                edit stories posted by other users.
+                edit stories posted by other users, post stories to the chat page, pin chat
+                stories, and access the chat's story archive

                .. versionadded:: 20.6
            can_delete_stories (:obj:`bool`, optional): Pass :obj:`True`, if the administrator can
@@ -6312,7 +6334,6 @@ CUSTOM_EMOJI_IDENTIFIER_LIMIT` custom emoji identifiers can be specified.
        name: str,
        title: str,
        stickers: Sequence["InputSticker"],
-        sticker_format: Optional[str] = None,
        sticker_type: Optional[str] = None,
        needs_repainting: Optional[bool] = None,
        *,
@@ -6339,6 +6360,9 @@ CUSTOM_EMOJI_IDENTIFIER_LIMIT` custom emoji identifiers can be specified.
            Removed the deprecated parameters mentioned above and adjusted the order of the
            parameters.

+        .. versionremoved:: 21.2
+           Removed the deprecated parameter ``sticker_format``.
+
        Args:
            user_id (:obj:`int`): User identifier of created sticker set owner.
            name (:obj:`str`): Short name of sticker set, to be used in t.me/addstickers/ URLs
@@ -6358,16 +6382,6 @@ CUSTOM_EMOJI_IDENTIFIER_LIMIT` custom emoji identifiers can be specified.

                .. versionadded:: 20.2

-            sticker_format (:obj:`str`): Format of stickers in the set, must be one of
-                :attr:`~telegram.constants.StickerFormat.STATIC`,
-                :attr:`~telegram.constants.StickerFormat.ANIMATED` or
-                :attr:`~telegram.constants.StickerFormat.VIDEO`.
-
-                .. versionadded:: 20.2
-
-                .. deprecated:: 21.1
-                    Use :paramref:`telegram.InputSticker.format` instead.
-
            sticker_type (:obj:`str`, optional): Type of stickers in the set, pass
                :attr:`telegram.Sticker.REGULAR` or :attr:`telegram.Sticker.MASK`, or
                :attr:`telegram.Sticker.CUSTOM_EMOJI`. By default, a regular sticker set is created
@@ -6387,20 +6401,11 @@ CUSTOM_EMOJI_IDENTIFIER_LIMIT` custom emoji identifiers can be specified.
        Raises:
            :class:`telegram.error.TelegramError`
        """
-        if sticker_format is not None:
-            warn(
-                "The parameter `sticker_format` is deprecated. Use the parameter"
-                " `InputSticker.format` in the parameter `stickers` instead.",
-                stacklevel=2,
-                category=PTBDeprecationWarning,
-            )
-
        data: JSONDict = {
            "user_id": user_id,
            "name": name,
            "title": title,
            "stickers": stickers,
-            "sticker_format": sticker_format,
            "sticker_type": sticker_type,
            "needs_repainting": needs_repainting,
        }
@@ -6815,7 +6820,7 @@ CUSTOM_EMOJI_IDENTIFIER_LIMIT` custom emoji identifiers can be specified.
        self,
        chat_id: Union[int, str],
        question: str,
-        options: Sequence[str],
+        options: Sequence[Union[str, "InputPollOption"]],
        is_anonymous: Optional[bool] = None,
        type: Optional[str] = None,  # pylint: disable=redefined-builtin
        allows_multiple_answers: Optional[bool] = None,
@@ -6832,6 +6837,8 @@ CUSTOM_EMOJI_IDENTIFIER_LIMIT` custom emoji identifiers can be specified.
        message_thread_id: Optional[int] = None,
        reply_parameters: Optional["ReplyParameters"] = None,
        business_connection_id: Optional[str] = None,
+        question_parse_mode: ODVInput[str] = DEFAULT_NONE,
+        question_entities: Optional[Sequence["MessageEntity"]] = None,
        *,
        allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
        reply_to_message_id: Optional[int] = None,
@@ -6848,14 +6855,20 @@ CUSTOM_EMOJI_IDENTIFIER_LIMIT` custom emoji identifiers can be specified.
            chat_id (:obj:`int` | :obj:`str`): |chat_id_channel|
            question (:obj:`str`): Poll question, :tg-const:`telegram.Poll.MIN_QUESTION_LENGTH`-
                :tg-const:`telegram.Poll.MAX_QUESTION_LENGTH` characters.
-            options (Sequence[:obj:`str`]): Sequence of answer options,
+            options (Sequence[:obj:`str` | :class:`telegram.InputPollOption`]): Sequence of
                :tg-const:`telegram.Poll.MIN_OPTION_NUMBER`-
-                :tg-const:`telegram.Poll.MAX_OPTION_NUMBER` strings
+                :tg-const:`telegram.Poll.MAX_OPTION_NUMBER` answer options. Each option may either
+                be a string with
                :tg-const:`telegram.Poll.MIN_OPTION_LENGTH`-
-                :tg-const:`telegram.Poll.MAX_OPTION_LENGTH` characters each.
+                :tg-const:`telegram.Poll.MAX_OPTION_LENGTH` characters or an
+                :class:`~telegram.InputPollOption` object. Strings are converted to
+                :class:`~telegram.InputPollOption` objects automatically.

                .. versionchanged:: 20.0
                    |sequenceargs|
+
+                .. versionchanged:: 21.2
+                   Bot API 7.3 adds support for :class:`~telegram.InputPollOption` objects.
            is_anonymous (:obj:`bool`, optional): :obj:`True`, if the poll needs to be anonymous,
                defaults to :obj:`True`.
            type (:obj:`str`, optional): Poll type, :tg-const:`telegram.Poll.QUIZ` or
@@ -6910,6 +6923,16 @@ CUSTOM_EMOJI_IDENTIFIER_LIMIT` custom emoji identifiers can be specified.
            business_connection_id (:obj:`str`, optional): |business_id_str|

                .. versionadded:: 21.1
+            question_parse_mode (:obj:`str`, optional): Mode for parsing entities in the question.
+                See the constants in :class:`telegram.constants.ParseMode` for the available modes.
+                Currently, only custom emoji entities are allowed.
+
+                .. versionadded:: 21.2
+            question_entities (Sequence[:class:`telegram.Message`], optional): Special entities
+                that appear in the poll :paramref:`question`. It can be specified instead of
+                :paramref:`question_parse_mode`.
+
+                .. versionadded:: 21.2

        Keyword Args:
            allow_sending_without_reply (:obj:`bool`, optional): |allow_sending_without_reply|
@@ -6941,7 +6964,10 @@ CUSTOM_EMOJI_IDENTIFIER_LIMIT` custom emoji identifiers can be specified.
        data: JSONDict = {
            "chat_id": chat_id,
            "question": question,
-            "options": options,
+            "options": [
+                InputPollOption(option) if isinstance(option, str) else option
+                for option in options
+            ],
            "explanation_parse_mode": explanation_parse_mode,
            "is_anonymous": is_anonymous,
            "type": type,
@@ -6952,6 +6978,8 @@ CUSTOM_EMOJI_IDENTIFIER_LIMIT` custom emoji identifiers can be specified.
            "explanation_entities": explanation_entities,
            "open_period": open_period,
            "close_date": close_date,
+            "question_parse_mode": question_parse_mode,
+            "question_entities": question_entities,
        }

        return await self._send_message(
@@ -8867,7 +8895,7 @@ CUSTOM_EMOJI_IDENTIFIER_LIMIT` custom emoji identifiers can be specified.
            api_kwargs=api_kwargs,
        )

-    def to_dict(self, recursive: bool = True) -> JSONDict:
+    def to_dict(self, recursive: bool = True) -> JSONDict:  # noqa: ARG002
        """See :meth:`telegram.TelegramObject.to_dict`."""
        data: JSONDict = {"id": self.id, "username": self.username, "first_name": self.first_name}

@@ -189,7 +189,7 @@ class BusinessMessagesDeleted(TelegramObject):

 class BusinessIntro(TelegramObject):
    """
-    This object represents the intro of a business account.
+    This object contains information about the start page settings of a Telegram Business account.

    Objects of this class are comparable in terms of equality.
    Two objects of this class are considered equal, if their
@@ -246,7 +246,7 @@ class BusinessIntro(TelegramObject):

 class BusinessLocation(TelegramObject):
    """
-    This object represents the location of a business account.
+    This object contains information about the location of a Telegram Business account.

    Objects of this class are comparable in terms of equality.
    Two objects of this class are considered equal, if their
@@ -298,7 +298,7 @@ class BusinessLocation(TelegramObject):

 class BusinessOpeningHoursInterval(TelegramObject):
    """
-    This object represents the time intervals describing business opening hours.
+    This object describes an interval of time during which a business is open.

    Objects of this class are comparable in terms of equality.
    Two objects of this class are considered equal, if their
@@ -390,7 +390,7 @@ class BusinessOpeningHoursInterval(TelegramObject):

 class BusinessOpeningHours(TelegramObject):
    """
-    This object represents the opening hours of a business account.
+    This object describes the opening hours of a business.

    Objects of this class are comparable in terms of equality.
    Two objects of this class are considered equal, if their
@@ -461,6 +461,7 @@ class CallbackQuery(TelegramObject):
        horizontal_accuracy: Optional[float] = None,
        heading: Optional[int] = None,
        proximity_alert_radius: Optional[int] = None,
+        live_period: Optional[int] = None,
        *,
        location: Optional[Location] = None,
        read_timeout: ODVInput[float] = DEFAULT_NONE,
@@ -509,6 +510,7 @@ class CallbackQuery(TelegramObject):
                horizontal_accuracy=horizontal_accuracy,
                heading=heading,
                proximity_alert_radius=proximity_alert_radius,
+                live_period=live_period,
                chat_id=None,
                message_id=None,
            )
@@ -525,6 +527,7 @@ class CallbackQuery(TelegramObject):
            horizontal_accuracy=horizontal_accuracy,
            heading=heading,
            proximity_alert_radius=proximity_alert_radius,
+            live_period=live_period,
        )

    async def stop_message_live_location(
@@ -20,7 +20,7 @@
 """This module contains an object that represents a Telegram Chat."""
 from datetime import datetime
 from html import escape
-from typing import TYPE_CHECKING, Final, Optional, Sequence, Tuple, Union
+from typing import TYPE_CHECKING, Any, Final, Optional, Sequence, Tuple, Union

 from telegram import constants
 from telegram._birthdate import Birthdate
@@ -36,9 +36,11 @@ from telegram._utils.argumentparsing import parse_sequence_arg
 from telegram._utils.datetime import extract_tzinfo_from_defaults, from_timestamp
 from telegram._utils.defaultvalue import DEFAULT_NONE
 from telegram._utils.types import CorrectOptionID, FileInput, JSONDict, ODVInput, ReplyMarkup
+from telegram._utils.warnings import warn
 from telegram.helpers import escape_markdown
 from telegram.helpers import mention_html as helpers_mention_html
 from telegram.helpers import mention_markdown as helpers_mention_markdown
+from telegram.warnings import PTBDeprecationWarning

 if TYPE_CHECKING:
    from telegram import (
@@ -57,6 +59,7 @@ if TYPE_CHECKING:
        InputMediaDocument,
        InputMediaPhoto,
        InputMediaVideo,
+        InputPollOption,
        LabeledPrice,
        LinkPreviewOptions,
        Location,
@@ -74,6 +77,45 @@ if TYPE_CHECKING:
    )


+_deprecated_attrs = (
+    "accent_color_id",
+    "active_usernames",
+    "available_reactions",
+    "background_custom_emoji_id",
+    "bio",
+    "birthdate",
+    "business_intro",
+    "business_location",
+    "business_opening_hours",
+    "can_set_sticker_set",
+    "custom_emoji_sticker_set_name",
+    "description",
+    "emoji_status_custom_emoji_id",
+    "emoji_status_expiration_date",
+    "has_aggressive_anti_spam_enabled",
+    "has_hidden_members",
+    "has_private_forwards",
+    "has_protected_content",
+    "has_restricted_voice_and_video_messages",
+    "has_visible_history",
+    "invite_link",
+    "join_by_request",
+    "join_to_send_messages",
+    "linked_chat_id",
+    "location",
+    "message_auto_delete_time",
+    "permissions",
+    "personal_chat",
+    "photo",
+    "pinned_message",
+    "profile_accent_color_id",
+    "profile_background_custom_emoji_id",
+    "slow_mode_delay",
+    "sticker_set_name",
+    "unrestrict_boost_count",
+)
+
+
 class Chat(TelegramObject):
    """This object represents a chat.

@@ -107,62 +149,134 @@ class Chat(TelegramObject):
        last_name (:obj:`str`, optional): Last name of the other party in a private chat.
        photo (:class:`telegram.ChatPhoto`, optional): Chat photo.
            Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        bio (:obj:`str`, optional): Bio of the other party in a private chat. Returned only in
            :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_private_forwards (:obj:`bool`, optional): :obj:`True`, if privacy settings of the other
            party in the private chat allows to use ``tg://user?id=<user_id>`` links only in chats
            with the user. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 13.9
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        description (:obj:`str`, optional): Description, for groups, supergroups and channel chats.
            Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        invite_link (:obj:`str`, optional): Primary invite link, for groups, supergroups and
            channel. Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        pinned_message (:class:`telegram.Message`, optional): The most recent pinned message
            (by sending date). Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        permissions (:class:`telegram.ChatPermissions`): Optional. Default chat member permissions,
            for groups and supergroups. Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        slow_mode_delay (:obj:`int`, optional): For supergroups, the minimum allowed delay between
            consecutive messages sent by each unprivileged user.
            Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        message_auto_delete_time (:obj:`int`, optional): The time after which all messages sent to
            the chat will be automatically deleted; in seconds. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 13.4
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_protected_content (:obj:`bool`, optional): :obj:`True`, if messages from the chat can't
            be forwarded to other chats. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 13.9
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_visible_history (:obj:`bool`, optional): :obj:`True`, if new chat members will have
            access to old messages; available only to chat administrators. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        sticker_set_name (:obj:`str`, optional): For supergroups, name of group sticker set.
            Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        can_set_sticker_set (:obj:`bool`, optional): :obj:`True`, if the bot can change group the
            sticker set. Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        linked_chat_id (:obj:`int`, optional): Unique identifier for the linked chat, i.e. the
            discussion group identifier for a channel and vice versa; for supergroups and channel
            chats. Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        location (:class:`telegram.ChatLocation`, optional): For supergroups, the location to which
            the supergroup is connected. Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        join_to_send_messages (:obj:`bool`, optional): :obj:`True`, if users need to join the
            supergroup before they can send messages. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        join_by_request (:obj:`bool`, optional): :obj:`True`, if all users directly joining the
-            supergroup need to be approved by supergroup administrators. Returned only in
-            :meth:`telegram.Bot.get_chat`.
+            supergroup without using an invite link need to be approved by supergroup
+            administrators. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_restricted_voice_and_video_messages (:obj:`bool`, optional): :obj:`True`, if the
            privacy settings of the other party restrict sending voice and video note messages
            in the private chat. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        is_forum (:obj:`bool`, optional): :obj:`True`, if the supergroup chat is a forum
            (has topics_ enabled).

@@ -173,27 +287,47 @@ class Chat(TelegramObject):
            only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        business_intro (:class:`telegram.BusinessIntro`, optional): For private chats with
            business accounts, the intro of the business. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.1
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        business_location (:class:`telegram.BusinessLocation`, optional): For private chats with
            business accounts, the location of the business. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.1
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        business_opening_hours (:class:`telegram.BusinessOpeningHours`, optional): For private
            chats with business accounts, the opening hours of the business. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.1
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        available_reactions (Sequence[:class:`telegram.ReactionType`], optional): List of available
            reactions allowed in the chat. If omitted, then all of
            :const:`telegram.constants.ReactionEmoji` are allowed. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        accent_color_id (:obj:`int`, optional): Identifier of the
            :class:`accent color <telegram.constants.AccentColor>` for the chat name and
            backgrounds of the chat photo, reply header, and link preview. See `accent colors`_
@@ -201,62 +335,110 @@ class Chat(TelegramObject):
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        background_custom_emoji_id (:obj:`str`, optional): Custom emoji identifier of emoji chosen
            by the chat for the reply header and link preview background. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        profile_accent_color_id (:obj:`int`, optional): Identifier of the
            :class:`accent color <telegram.constants.ProfileAccentColor>` for the chat's profile
            background. See profile `accent colors`_ for more details. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        profile_background_custom_emoji_id (:obj:`str`, optional): Custom emoji identifier of
            the emoji chosen by the chat for its profile background. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        emoji_status_custom_emoji_id (:obj:`str`, optional): Custom emoji identifier of emoji
            status of the chat or the other party in a private chat. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        emoji_status_expiration_date (:class:`datetime.datetime`, optional): Expiration date of
            emoji status of the chat or the other party in a private chat, in seconds. Returned
            only in :meth:`telegram.Bot.get_chat`.
            |datetime_localization|

            .. versionadded:: 20.5
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_aggressive_anti_spam_enabled (:obj:`bool`, optional): :obj:`True`, if aggressive
            anti-spam checks are enabled in the supergroup. The field is only available to chat
            administrators. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_hidden_members (:obj:`bool`, optional): :obj:`True`, if non-administrators can only
            get the list of bots and administrators in the chat. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        unrestrict_boost_count (:obj:`int`, optional): For supergroups, the minimum number of
            boosts that a non-administrator user needs to add in order to ignore slow mode and chat
            permissions. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        custom_emoji_sticker_set_name (:obj:`str`, optional): For supergroups, the name of the
            group's custom emoji sticker set. Custom emoji from this set can be used by all users
            and bots in the group. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        birthdate (:obj:`telegram.Birthdate`, optional): For private chats,
            the date of birth of the user. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.1
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        personal_chat (:obj:`telegram.Chat`, optional): For private chats, the personal channel of
            the user. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.1

+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
+
    Attributes:
        id (:obj:`int`): Unique identifier for this chat. This number may be greater than 32 bits
            and some programming languages may have difficulty/silent defects in interpreting it.
@@ -271,62 +453,134 @@ class Chat(TelegramObject):
        last_name (:obj:`str`): Optional. Last name of the other party in a private chat.
        photo (:class:`telegram.ChatPhoto`): Optional. Chat photo.
            Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        bio (:obj:`str`): Optional. Bio of the other party in a private chat. Returned only in
            :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_private_forwards (:obj:`bool`): Optional. :obj:`True`, if privacy settings of the other
            party in the private chat allows to use ``tg://user?id=<user_id>`` links only in chats
            with the user. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 13.9
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        description (:obj:`str`): Optional. Description, for groups, supergroups and channel chats.
            Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        invite_link (:obj:`str`): Optional. Primary invite link, for groups, supergroups and
            channel. Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        pinned_message (:class:`telegram.Message`): Optional. The most recent pinned message
            (by sending date). Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        permissions (:class:`telegram.ChatPermissions`): Optional. Default chat member permissions,
            for groups and supergroups. Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        slow_mode_delay (:obj:`int`): Optional. For supergroups, the minimum allowed delay between
            consecutive messages sent by each unprivileged user. Returned only in
            :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        message_auto_delete_time (:obj:`int`): Optional. The time after which all messages sent to
            the chat will be automatically deleted; in seconds. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 13.4
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_protected_content (:obj:`bool`): Optional. :obj:`True`, if messages from the chat can't
            be forwarded to other chats. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 13.9
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_visible_history (:obj:`bool`): Optional. :obj:`True`, if new chat members will have
            access to old messages; available only to chat administrators. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        sticker_set_name (:obj:`str`): Optional. For supergroups, name of Group sticker set.
            Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        can_set_sticker_set (:obj:`bool`): Optional. :obj:`True`, if the bot can change group the
            sticker set. Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        linked_chat_id (:obj:`int`): Optional. Unique identifier for the linked chat, i.e. the
            discussion group identifier for a channel and vice versa; for supergroups and channel
            chats. Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        location (:class:`telegram.ChatLocation`): Optional. For supergroups, the location to which
            the supergroup is connected. Returned only in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        join_to_send_messages (:obj:`bool`): Optional. :obj:`True`, if users need to join
            the supergroup before they can send messages. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
-        join_by_request (:obj:`bool`): Optional. :obj:`True`, if all users directly
-            joining the supergroup need to be approved by supergroup administrators. Returned only
-            in :meth:`telegram.Bot.get_chat`.
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
+        join_by_request (:obj:`bool`): Optional. :obj:`True`, if all users directly joining the
+            supergroup without using an invite link need to be approved by supergroup
+            administrators. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_restricted_voice_and_video_messages (:obj:`bool`): Optional. :obj:`True`, if the
            privacy settings of the other party restrict sending voice and video note messages
            in the private chat. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        is_forum (:obj:`bool`): Optional. :obj:`True`, if the supergroup chat is a forum
            (has topics_ enabled).

@@ -339,27 +593,47 @@ class Chat(TelegramObject):
            obtained via :meth:`~telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        business_intro (:class:`telegram.BusinessIntro`): Optional. For private chats with
            business accounts, the intro of the business. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.1
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        business_location (:class:`telegram.BusinessLocation`): Optional. For private chats with
            business accounts, the location of the business. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.1
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        business_opening_hours (:class:`telegram.BusinessOpeningHours`): Optional. For private
            chats with business accounts, the opening hours of the business. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.1
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        available_reactions (Tuple[:class:`telegram.ReactionType`]): Optional. List of available
            reactions allowed in the chat. If omitted, then all of
            :const:`telegram.constants.ReactionEmoji` are allowed. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        accent_color_id (:obj:`int`): Optional. Identifier of the
            :class:`accent color <telegram.constants.AccentColor>` for the chat name and
            backgrounds of the chat photo, reply header, and link preview. See `accent colors`_
@@ -367,62 +641,110 @@ class Chat(TelegramObject):
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        background_custom_emoji_id (:obj:`str`): Optional. Custom emoji identifier of emoji chosen
            by the chat for the reply header and link preview background. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        profile_accent_color_id (:obj:`int`): Optional. Identifier of the
            :class:`accent color <telegram.constants.ProfileAccentColor>` for the chat's profile
            background. See profile `accent colors`_ for more details. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        profile_background_custom_emoji_id (:obj:`str`): Optional. Custom emoji identifier of
            the emoji chosen by the chat for its profile background. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.8
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        emoji_status_custom_emoji_id (:obj:`str`): Optional. Custom emoji identifier of emoji
            status of the chat or the other party in a private chat. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        emoji_status_expiration_date (:class:`datetime.datetime`): Optional. Expiration date of
            emoji status of the chat or the other party in a private chat, in seconds. Returned
            only in :meth:`telegram.Bot.get_chat`.
            |datetime_localization|

            .. versionadded:: 20.5
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_aggressive_anti_spam_enabled (:obj:`bool`): Optional. :obj:`True`, if aggressive
            anti-spam checks are enabled in the supergroup. The field is only available to chat
            administrators. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        has_hidden_members (:obj:`bool`): Optional. :obj:`True`, if non-administrators can only
            get the list of bots and administrators in the chat. Returned only in
            :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 20.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        unrestrict_boost_count (:obj:`int`): Optional. For supergroups, the minimum number of
            boosts that a non-administrator user needs to add in order to ignore slow mode and chat
            permissions. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        custom_emoji_sticker_set_name (:obj:`str`): Optional. For supergroups, the name of the
            group's custom emoji sticker set. Custom emoji from this set can be used by all users
            and bots in the group. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.0
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        birthdate (:obj:`telegram.Birthdate`): Optional. For private chats,
            the date of birth of the user. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.1
+
+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
        personal_chat (:obj:`telegram.Chat`): Optional. For private chats, the personal channel of
            the user. Returned only in :meth:`telegram.Bot.get_chat`.

            .. versionadded:: 21.1

+            .. deprecated:: 21.2
+                In accordance to Bot API 7.3, this attribute will be moved to
+                :class:`telegram.ChatFullInfo`.
+
    .. _topics: https://telegram.org/blog/topics-in-groups-collectible-usernames#topics-in-groups
    .. _accent colors: https://core.telegram.org/bots/api#accent-colors
    """
@@ -471,7 +793,6 @@ class Chat(TelegramObject):
        "unrestrict_boost_count",
        "username",
    )
-
    SENDER: Final[str] = constants.ChatType.SENDER
    """:const:`telegram.constants.ChatType.SENDER`

@@ -518,7 +839,7 @@ class Chat(TelegramObject):
        has_aggressive_anti_spam_enabled: Optional[bool] = None,
        has_hidden_members: Optional[bool] = None,
        available_reactions: Optional[Sequence[ReactionType]] = None,
-        accent_color_id: Optional[int] = None,
+        accent_color_id: Optional[int] = None,  # required in API 7.3 - Optional for back compat
        background_custom_emoji_id: Optional[str] = None,
        profile_accent_color_id: Optional[int] = None,
        profile_background_custom_emoji_id: Optional[str] = None,
@@ -585,10 +906,34 @@ class Chat(TelegramObject):
        self.business_location: Optional["BusinessLocation"] = business_location
        self.business_opening_hours: Optional["BusinessOpeningHours"] = business_opening_hours

+        if self.__class__ is Chat:
+            for arg in _deprecated_attrs:
+                if (val := object.__getattribute__(self, arg)) is not None and val != ():
+                    warn(
+                        PTBDeprecationWarning(
+                            "21.2",
+                            f"The argument `{arg}` is deprecated and will only be available via "
+                            "`ChatFullInfo` in the future.",
+                        ),
+                        stacklevel=2,
+                    )
+
        self._id_attrs = (self.id,)

        self._freeze()

+    def __getattribute__(self, name: str) -> Any:
+        if name in _deprecated_attrs and self.__class__ is Chat:
+            warn(
+                PTBDeprecationWarning(
+                    "21.2",
+                    f"The attribute `{name}` is deprecated and will only be accessible via "
+                    "`ChatFullInfo` in the future.",
+                ),
+                stacklevel=2,
+            )
+        return super().__getattribute__(name)
+
    @property
    def effective_name(self) -> Optional[str]:
        """
@@ -658,7 +1003,7 @@ class Chat(TelegramObject):
        data["location"] = ChatLocation.de_json(data.get("location"), bot)
        data["available_reactions"] = ReactionType.de_list(data.get("available_reactions"), bot)
        data["birthdate"] = Birthdate.de_json(data.get("birthdate"), bot)
-        data["personal_chat"] = cls.de_json(data.get("personal_chat"), bot)
+        data["personal_chat"] = Chat.de_json(data.get("personal_chat"), bot)
        data["business_intro"] = BusinessIntro.de_json(data.get("business_intro"), bot)
        data["business_location"] = BusinessLocation.de_json(data.get("business_location"), bot)
        data["business_opening_hours"] = BusinessOpeningHours.de_json(
@@ -2545,7 +2890,7 @@ class Chat(TelegramObject):
    async def send_poll(
        self,
        question: str,
-        options: Sequence[str],
+        options: Sequence[Union[str, "InputPollOption"]],
        is_anonymous: Optional[bool] = None,
        type: Optional[str] = None,
        allows_multiple_answers: Optional[bool] = None,
@@ -2562,6 +2907,8 @@ class Chat(TelegramObject):
        message_thread_id: Optional[int] = None,
        reply_parameters: Optional["ReplyParameters"] = None,
        business_connection_id: Optional[str] = None,
+        question_parse_mode: ODVInput[str] = DEFAULT_NONE,
+        question_entities: Optional[Sequence["MessageEntity"]] = None,
        *,
        reply_to_message_id: Optional[int] = None,
        allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
@@ -2608,6 +2955,8 @@ class Chat(TelegramObject):
            protect_content=protect_content,
            message_thread_id=message_thread_id,
            business_connection_id=business_connection_id,
+            question_parse_mode=question_parse_mode,
+            question_entities=question_entities,
        )

    async def send_copy(
@@ -80,8 +80,9 @@ class ChatAdministratorRights(TelegramObject):
            .. versionadded:: 20.6
            .. versionchanged:: 21.0
                |non_optional_story_argument|
-        can_edit_stories (:obj:`bool`): :obj:`True`, if the administrator can edit
-            stories posted by other users.
+        can_edit_stories (:obj:`bool`): :obj:`True`, if the administrator can edit stories posted
+            by other users, post stories to the chat page, pin chat stories, and access the chat's
+            story archive

            .. versionadded:: 20.6
            .. versionchanged:: 21.0
@@ -128,8 +129,9 @@ class ChatAdministratorRights(TelegramObject):
            .. versionadded:: 20.6
            .. versionchanged:: 21.0
                |non_optional_story_argument|
-        can_edit_stories (:obj:`bool`): :obj:`True`, if the administrator can edit
-            stories posted by other users.
+        can_edit_stories (:obj:`bool`): :obj:`True`, if the administrator can edit stories posted
+            by other users, post stories to the chat page, pin chat stories, and access the chat's
+            story archive

            .. versionadded:: 20.6
            .. versionchanged:: 21.0
@@ -0,0 +1,540 @@
+#!/usr/bin/env python
+#
+# A library that provides a Python interface to the Telegram Bot API
+# Copyright (C) 2015-2024
+# Leandro Toledo de Souza <devs@python-telegram-bot.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser Public License for more details.
+#
+# You should have received a copy of the GNU Lesser Public License
+# along with this program.  If not, see [http://www.gnu.org/licenses/].
+"""This module contains objects related to chat backgrounds."""
+from typing import TYPE_CHECKING, Dict, Final, Optional, Sequence, Tuple, Type
+
+from telegram import constants
+from telegram._files.document import Document
+from telegram._telegramobject import TelegramObject
+from telegram._utils import enum
+from telegram._utils.argumentparsing import parse_sequence_arg
+from telegram._utils.types import JSONDict
+
+if TYPE_CHECKING:
+    from telegram import Bot
+
+
+class BackgroundFill(TelegramObject):
+    """Base class for Telegram BackgroundFill Objects. It can be one of:
+
+    * :class:`telegram.BackgroundFillSolid`
+    * :class:`telegram.BackgroundFillGradient`
+    * :class:`telegram.BackgroundFillFreeformGradient`
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`type` is equal.
+
+    .. versionadded:: 21.2
+
+    Args:
+        type (:obj:`str`): Type of the background fill. Can be one of:
+            :attr:`~telegram.BackgroundFill.SOLID`, :attr:`~telegram.BackgroundFill.GRADIENT`
+            or :attr:`~telegram.BackgroundFill.FREEFORM_GRADIENT`.
+
+    Attributes:
+        type (:obj:`str`): Type of the background fill. Can be one of:
+            :attr:`~telegram.BackgroundFill.SOLID`, :attr:`~telegram.BackgroundFill.GRADIENT`
+            or :attr:`~telegram.BackgroundFill.FREEFORM_GRADIENT`.
+    """
+
+    __slots__ = ("type",)
+
+    SOLID: Final[constants.BackgroundFillType] = constants.BackgroundFillType.SOLID
+    """:const:`telegram.constants.BackgroundFillType.SOLID`"""
+    GRADIENT: Final[constants.BackgroundFillType] = constants.BackgroundFillType.GRADIENT
+    """:const:`telegram.constants.BackgroundFillType.GRADIENT`"""
+    FREEFORM_GRADIENT: Final[constants.BackgroundFillType] = (
+        constants.BackgroundFillType.FREEFORM_GRADIENT
+    )
+    """:const:`telegram.constants.BackgroundFillType.FREEFORM_GRADIENT`"""
+
+    def __init__(
+        self,
+        type: str,  # pylint: disable=redefined-builtin
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(api_kwargs=api_kwargs)
+        # Required by all subclasses
+        self.type: str = enum.get_member(constants.BackgroundFillType, type, type)
+
+        self._id_attrs = (self.type,)
+        self._freeze()
+
+    @classmethod
+    def de_json(cls, data: Optional[JSONDict], bot: "Bot") -> Optional["BackgroundFill"]:
+        """See :meth:`telegram.TelegramObject.de_json`."""
+        data = cls._parse_data(data)
+
+        if not data:
+            return None
+
+        _class_mapping: Dict[str, Type[BackgroundFill]] = {
+            cls.SOLID: BackgroundFillSolid,
+            cls.GRADIENT: BackgroundFillGradient,
+            cls.FREEFORM_GRADIENT: BackgroundFillFreeformGradient,
+        }
+
+        if cls is BackgroundFill and data.get("type") in _class_mapping:
+            return _class_mapping[data.pop("type")].de_json(data=data, bot=bot)
+
+        return super().de_json(data=data, bot=bot)
+
+
+class BackgroundFillSolid(BackgroundFill):
+    """
+    The background is filled using the selected color.
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`color` is equal.
+
+    .. versionadded:: 21.2
+
+    Args:
+        color (:obj:`int`): The color of the background fill in the `RGB24` format.
+
+    Attributes:
+        type (:obj:`str`): Type of the background fill. Always
+            :attr:`~telegram.BackgroundFill.SOLID`.
+        color (:obj:`int`): The color of the background fill in the `RGB24` format.
+    """
+
+    __slots__ = ("color",)
+
+    def __init__(
+        self,
+        color: int,
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(type=self.SOLID, api_kwargs=api_kwargs)
+
+        with self._unfrozen():
+            self.color: int = color
+
+            self._id_attrs = (self.color,)
+
+
+class BackgroundFillGradient(BackgroundFill):
+    """
+    The background is a gradient fill.
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`top_color`, :attr:`bottom_color`
+    and :attr:`rotation_angle` are equal.
+
+    .. versionadded:: 21.2
+
+    Args:
+        top_color (:obj:`int`): Top color of the gradient in the `RGB24` format.
+        bottom_color (:obj:`int`): Bottom color of the gradient in the `RGB24` format.
+        rotation_angle (:obj:`int`): Clockwise rotation angle of the background
+            fill in degrees;
+            0-:tg-const:`telegram.constants.BackgroundFillLimit.MAX_ROTATION_ANGLE`.
+
+
+    Attributes:
+        type (:obj:`str`): Type of the background fill. Always
+            :attr:`~telegram.BackgroundFill.GRADIENT`.
+        top_color (:obj:`int`): Top color of the gradient in the `RGB24` format.
+        bottom_color (:obj:`int`): Bottom color of the gradient in the `RGB24` format.
+        rotation_angle (:obj:`int`): Clockwise rotation angle of the background
+            fill in degrees;
+            0-:tg-const:`telegram.constants.BackgroundFillLimit.MAX_ROTATION_ANGLE`.
+    """
+
+    __slots__ = ("bottom_color", "rotation_angle", "top_color")
+
+    def __init__(
+        self,
+        top_color: int,
+        bottom_color: int,
+        rotation_angle: int,
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(type=self.GRADIENT, api_kwargs=api_kwargs)
+
+        with self._unfrozen():
+            self.top_color: int = top_color
+            self.bottom_color: int = bottom_color
+            self.rotation_angle: int = rotation_angle
+
+            self._id_attrs = (self.top_color, self.bottom_color, self.rotation_angle)
+
+
+class BackgroundFillFreeformGradient(BackgroundFill):
+    """
+    The background is a freeform gradient that rotates after every message in the chat.
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`colors` is equal.
+
+    .. versionadded:: 21.2
+
+    Args:
+        colors (Sequence[:obj:`int`]): A list of the 3 or 4 base colors that are used to
+            generate the freeform gradient in the `RGB24` format
+
+    Attributes:
+        type (:obj:`str`): Type of the background fill. Always
+            :attr:`~telegram.BackgroundFill.FREEFORM_GRADIENT`.
+        colors (Sequence[:obj:`int`]): A list of the 3 or 4 base colors that are used to
+            generate the freeform gradient in the `RGB24` format
+    """
+
+    __slots__ = ("colors",)
+
+    def __init__(
+        self,
+        colors: Sequence[int],
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(type=self.FREEFORM_GRADIENT, api_kwargs=api_kwargs)
+
+        with self._unfrozen():
+            self.colors: Tuple[int, ...] = parse_sequence_arg(colors)
+
+            self._id_attrs = (self.colors,)
+
+
+class BackgroundType(TelegramObject):
+    """Base class for Telegram BackgroundType Objects. It can be one of:
+
+    * :class:`telegram.BackgroundTypeFill`
+    * :class:`telegram.BackgroundTypeWallpaper`
+    * :class:`telegram.BackgroundTypePattern`
+    * :class:`telegram.BackgroundTypeChatTheme`.
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`type` is equal.
+
+    .. versionadded:: 21.2
+
+    Args:
+        type (:obj:`str`): Type of the background. Can be one of:
+            :attr:`~telegram.BackgroundType.FILL`, :attr:`~telegram.BackgroundType.WALLPAPER`
+            :attr:`~telegram.BackgroundType.PATTERN` or
+            :attr:`~telegram.BackgroundType.CHAT_THEME`.
+
+    Attributes:
+        type (:obj:`str`): Type of the background. Can be one of:
+            :attr:`~telegram.BackgroundType.FILL`, :attr:`~telegram.BackgroundType.WALLPAPER`
+            :attr:`~telegram.BackgroundType.PATTERN` or
+            :attr:`~telegram.BackgroundType.CHAT_THEME`.
+
+    """
+
+    __slots__ = ("type",)
+
+    FILL: Final[constants.BackgroundTypeType] = constants.BackgroundTypeType.FILL
+    """:const:`telegram.constants.BackgroundTypeType.FILL`"""
+    WALLPAPER: Final[constants.BackgroundTypeType] = constants.BackgroundTypeType.WALLPAPER
+    """:const:`telegram.constants.BackgroundTypeType.WALLPAPER`"""
+    PATTERN: Final[constants.BackgroundTypeType] = constants.BackgroundTypeType.PATTERN
+    """:const:`telegram.constants.BackgroundTypeType.PATTERN`"""
+    CHAT_THEME: Final[constants.BackgroundTypeType] = constants.BackgroundTypeType.CHAT_THEME
+    """:const:`telegram.constants.BackgroundTypeType.CHAT_THEME`"""
+
+    def __init__(
+        self,
+        type: str,  # pylint: disable=redefined-builtin
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(api_kwargs=api_kwargs)
+        # Required by all subclasses
+        self.type: str = enum.get_member(constants.BackgroundTypeType, type, type)
+
+        self._id_attrs = (self.type,)
+        self._freeze()
+
+    @classmethod
+    def de_json(cls, data: Optional[JSONDict], bot: "Bot") -> Optional["BackgroundType"]:
+        """See :meth:`telegram.TelegramObject.de_json`."""
+        data = cls._parse_data(data)
+
+        if not data:
+            return None
+
+        _class_mapping: Dict[str, Type[BackgroundType]] = {
+            cls.FILL: BackgroundTypeFill,
+            cls.WALLPAPER: BackgroundTypeWallpaper,
+            cls.PATTERN: BackgroundTypePattern,
+            cls.CHAT_THEME: BackgroundTypeChatTheme,
+        }
+
+        if cls is BackgroundType and data.get("type") in _class_mapping:
+            return _class_mapping[data.pop("type")].de_json(data=data, bot=bot)
+
+        if "fill" in data:
+            data["fill"] = BackgroundFill.de_json(data.get("fill"), bot)
+
+        if "document" in data:
+            data["document"] = Document.de_json(data.get("document"), bot)
+
+        return super().de_json(data=data, bot=bot)
+
+
+class BackgroundTypeFill(BackgroundType):
+    """
+    The background is automatically filled based on the selected colors.
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`fill` and :attr:`dark_theme_dimming` are equal.
+
+    .. versionadded:: 21.2
+
+    Args:
+        fill (:obj:`telegram.BackgroundFill`): The background fill.
+        dark_theme_dimming (:obj:`int`): Dimming of the background in dark themes, as a
+            percentage;
+            0-:tg-const:`telegram.constants.BackgroundTypeLimit.MAX_DIMMING`.
+
+    Attributes:
+        type (:obj:`str`): Type of the background. Always
+            :attr:`~telegram.BackgroundType.FILL`.
+        fill (:obj:`telegram.BackgroundFill`): The background fill.
+        dark_theme_dimming (:obj:`int`): Dimming of the background in dark themes, as a
+            percentage;
+            0-:tg-const:`telegram.constants.BackgroundTypeLimit.MAX_DIMMING`.
+    """
+
+    __slots__ = ("dark_theme_dimming", "fill")
+
+    def __init__(
+        self,
+        fill: BackgroundFill,
+        dark_theme_dimming: int,
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(type=self.FILL, api_kwargs=api_kwargs)
+
+        with self._unfrozen():
+            self.fill: BackgroundFill = fill
+            self.dark_theme_dimming: int = dark_theme_dimming
+
+            self._id_attrs = (self.fill, self.dark_theme_dimming)
+
+
+class BackgroundTypeWallpaper(BackgroundType):
+    """
+    The background is a wallpaper in the `JPEG` format.
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`document` and :attr:`dark_theme_dimming` are equal.
+
+    .. versionadded:: 21.2
+
+    Args:
+        document (:obj:`telegram.Document`): Document with the wallpaper
+        dark_theme_dimming (:obj:`int`): Dimming of the background in dark themes, as a
+            percentage;
+            0-:tg-const:`telegram.constants.BackgroundTypeLimit.MAX_DIMMING`.
+        is_blurred (:obj:`bool`, optional): :obj:`True`, if the wallpaper is downscaled to fit
+            in a 450x450 square and then box-blurred with radius 12
+        is_moving (:obj:`bool`, optional): :obj:`True`, if the background moves slightly
+            when the device is tilted
+
+    Attributes:
+        type (:obj:`str`): Type of the background. Always
+            :attr:`~telegram.BackgroundType.WALLPAPER`.
+        document (:obj:`telegram.Document`): Document with the wallpaper
+        dark_theme_dimming (:obj:`int`): Dimming of the background in dark themes, as a
+            percentage;
+            0-:tg-const:`telegram.constants.BackgroundTypeLimit.MAX_DIMMING`.
+        is_blurred (:obj:`bool`): Optional. :obj:`True`, if the wallpaper is downscaled to fit
+            in a 450x450 square and then box-blurred with radius 12
+        is_moving (:obj:`bool`): Optional. :obj:`True`, if the background moves slightly
+            when the device is tilted
+    """
+
+    __slots__ = ("dark_theme_dimming", "document", "is_blurred", "is_moving")
+
+    def __init__(
+        self,
+        document: Document,
+        dark_theme_dimming: int,
+        is_blurred: Optional[bool] = None,
+        is_moving: Optional[bool] = None,
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(type=self.WALLPAPER, api_kwargs=api_kwargs)
+
+        with self._unfrozen():
+            # Required
+            self.document: Document = document
+            self.dark_theme_dimming: int = dark_theme_dimming
+            # Optionals
+            self.is_blurred: Optional[bool] = is_blurred
+            self.is_moving: Optional[bool] = is_moving
+
+            self._id_attrs = (self.document, self.dark_theme_dimming)
+
+
+class BackgroundTypePattern(BackgroundType):
+    """
+    The background is a `PNG` or `TGV` (gzipped subset of `SVG` with `MIME` type
+    `"application/x-tgwallpattern"`) pattern to be combined with the background fill
+    chosen by the user.
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`document` and :attr:`fill` and :attr:`intensity` are equal.
+
+    .. versionadded:: 21.2
+
+    Args:
+        document (:obj:`telegram.Document`): Document with the pattern.
+        fill (:obj:`telegram.BackgroundFill`): The background fill that is combined with
+            the pattern.
+        intensity (:obj:`int`): Intensity of the pattern when it is shown above the filled
+            background;
+            0-:tg-const:`telegram.constants.BackgroundTypeLimit.MAX_INTENSITY`.
+        is_inverted (:obj:`int`, optional): :obj:`True`, if the background fill must be applied
+            only to the pattern itself. All other pixels are black in this case. For dark
+            themes only.
+        is_moving (:obj:`bool`, optional): :obj:`True`, if the background moves slightly
+            when the device is tilted.
+
+    Attributes:
+        type (:obj:`str`): Type of the background. Always
+            :attr:`~telegram.BackgroundType.PATTERN`.
+        document (:obj:`telegram.Document`): Document with the pattern.
+        fill (:obj:`telegram.BackgroundFill`): The background fill that is combined with
+            the pattern.
+        intensity (:obj:`int`): Intensity of the pattern when it is shown above the filled
+            background;
+            0-:tg-const:`telegram.constants.BackgroundTypeLimit.MAX_INTENSITY`.
+        is_inverted (:obj:`int`): Optional. :obj:`True`, if the background fill must be applied
+            only to the pattern itself. All other pixels are black in this case. For dark
+            themes only.
+        is_moving (:obj:`bool`): Optional. :obj:`True`, if the background moves slightly
+            when the device is tilted.
+    """
+
+    __slots__ = (
+        "document",
+        "fill",
+        "intensity",
+        "is_inverted",
+        "is_moving",
+    )
+
+    def __init__(
+        self,
+        document: Document,
+        fill: BackgroundFill,
+        intensity: int,
+        is_inverted: Optional[bool] = None,
+        is_moving: Optional[bool] = None,
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(type=self.PATTERN, api_kwargs=api_kwargs)
+
+        with self._unfrozen():
+            # Required
+            self.document: Document = document
+            self.fill: BackgroundFill = fill
+            self.intensity: int = intensity
+            # Optionals
+            self.is_inverted: Optional[bool] = is_inverted
+            self.is_moving: Optional[bool] = is_moving
+
+            self._id_attrs = (self.document, self.fill, self.intensity)
+
+
+class BackgroundTypeChatTheme(BackgroundType):
+    """
+    The background is taken directly from a built-in chat theme.
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`theme_name` is equal.
+
+    .. versionadded:: 21.2
+
+    Args:
+        theme_name (:obj:`str`): Name of the chat theme, which is usually an emoji.
+
+    Attributes:
+        type (:obj:`str`): Type of the background. Always
+            :attr:`~telegram.BackgroundType.CHAT_THEME`.
+        theme_name (:obj:`str`): Name of the chat theme, which is usually an emoji.
+    """
+
+    __slots__ = ("theme_name",)
+
+    def __init__(
+        self,
+        theme_name: str,
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(type=self.CHAT_THEME, api_kwargs=api_kwargs)
+
+        with self._unfrozen():
+            self.theme_name: str = theme_name
+
+            self._id_attrs = (self.theme_name,)
+
+
+class ChatBackground(TelegramObject):
+    """
+    This object represents a chat background.
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`type` is  equal.
+
+    .. versionadded:: 21.2
+
+    Args:
+        type (:obj:`telegram.BackgroundType`): Type of the background.
+
+    Attributes:
+        type (:obj:`telegram.BackgroundType`): Type of the background.
+    """
+
+    __slots__ = ("type",)
+
+    def __init__(
+        self,
+        type: BackgroundType,  # pylint: disable=redefined-builtin
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(api_kwargs=api_kwargs)
+        self.type: BackgroundType = type
+
+        self._id_attrs = (self.type,)
+        self._freeze()
+
+    @classmethod
+    def de_json(cls, data: Optional[JSONDict], bot: "Bot") -> Optional["ChatBackground"]:
+        """See :meth:`telegram.TelegramObject.de_json`."""
+        data = cls._parse_data(data)
+
+        if not data:
+            return None
+
+        data["type"] = BackgroundType.de_json(data.get("type"), bot)
+
+        return super().de_json(data=data, bot=bot)
@@ -0,0 +1,166 @@
+#!/usr/bin/env python
+# pylint: disable=redefined-builtin
+#
+# A library that provides a Python interface to the Telegram Bot API
+# Copyright (C) 2015-2024
+# Leandro Toledo de Souza <devs@python-telegram-bot.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser Public License for more details.
+#
+# You should have received a copy of the GNU Lesser Public License
+# along with this program.  If not, see [http://www.gnu.org/licenses/].
+"""This module contains an object that represents a Telegram ChatFullInfo."""
+from datetime import datetime
+from typing import TYPE_CHECKING, Optional, Sequence
+
+from telegram._birthdate import Birthdate
+from telegram._chat import Chat
+from telegram._chatlocation import ChatLocation
+from telegram._chatpermissions import ChatPermissions
+from telegram._files.chatphoto import ChatPhoto
+from telegram._reaction import ReactionType
+from telegram._utils.types import JSONDict
+
+if TYPE_CHECKING:
+    from telegram import BusinessIntro, BusinessLocation, BusinessOpeningHours, Message
+
+
+class ChatFullInfo(Chat):
+    """
+    This object contains full information about a chat.
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`~telegram.Chat.id` is equal.
+
+    Caution:
+        This class is a subclass of :class:`telegram.Chat` and inherits all attributes and methods
+        for backwards compatibility. In the future, this class will *NOT* inherit from
+        :class:`telegram.Chat`.
+
+    .. seealso::
+        All arguments and attributes can be found in :class:`telegram.Chat`.
+
+    .. versionadded:: 21.2
+
+    Args:
+        max_reaction_count (:obj:`int`): The maximum number of reactions that can be set on a
+            message in the chat.
+
+            .. versionadded:: 21.2
+
+    Attributes:
+        max_reaction_count (:obj:`int`): The maximum number of reactions that can be set on a
+            message in the chat.
+
+            .. versionadded:: 21.2
+    """
+
+    __slots__ = ("max_reaction_count",)
+
+    def __init__(
+        self,
+        id: int,
+        type: str,
+        accent_color_id: int,  # API 7.3 made this argument required
+        max_reaction_count: int,  # NEW arg in api 7.3 and is required
+        title: Optional[str] = None,
+        username: Optional[str] = None,
+        first_name: Optional[str] = None,
+        last_name: Optional[str] = None,
+        is_forum: Optional[bool] = None,
+        photo: Optional[ChatPhoto] = None,
+        active_usernames: Optional[Sequence[str]] = None,
+        birthdate: Optional[Birthdate] = None,
+        business_intro: Optional["BusinessIntro"] = None,
+        business_location: Optional["BusinessLocation"] = None,
+        business_opening_hours: Optional["BusinessOpeningHours"] = None,
+        personal_chat: Optional["Chat"] = None,
+        available_reactions: Optional[Sequence[ReactionType]] = None,
+        background_custom_emoji_id: Optional[str] = None,
+        profile_accent_color_id: Optional[int] = None,
+        profile_background_custom_emoji_id: Optional[str] = None,
+        emoji_status_custom_emoji_id: Optional[str] = None,
+        emoji_status_expiration_date: Optional[datetime] = None,
+        bio: Optional[str] = None,
+        has_private_forwards: Optional[bool] = None,
+        has_restricted_voice_and_video_messages: Optional[bool] = None,
+        join_to_send_messages: Optional[bool] = None,
+        join_by_request: Optional[bool] = None,
+        description: Optional[str] = None,
+        invite_link: Optional[str] = None,
+        pinned_message: Optional["Message"] = None,
+        permissions: Optional[ChatPermissions] = None,
+        slow_mode_delay: Optional[int] = None,
+        unrestrict_boost_count: Optional[int] = None,
+        message_auto_delete_time: Optional[int] = None,
+        has_aggressive_anti_spam_enabled: Optional[bool] = None,
+        has_hidden_members: Optional[bool] = None,
+        has_protected_content: Optional[bool] = None,
+        has_visible_history: Optional[bool] = None,
+        sticker_set_name: Optional[str] = None,
+        can_set_sticker_set: Optional[bool] = None,
+        custom_emoji_sticker_set_name: Optional[str] = None,
+        linked_chat_id: Optional[int] = None,
+        location: Optional[ChatLocation] = None,
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(
+            id=id,
+            type=type,
+            title=title,
+            username=username,
+            first_name=first_name,
+            last_name=last_name,
+            photo=photo,
+            description=description,
+            invite_link=invite_link,
+            pinned_message=pinned_message,
+            permissions=permissions,
+            sticker_set_name=sticker_set_name,
+            can_set_sticker_set=can_set_sticker_set,
+            slow_mode_delay=slow_mode_delay,
+            bio=bio,
+            linked_chat_id=linked_chat_id,
+            location=location,
+            message_auto_delete_time=message_auto_delete_time,
+            has_private_forwards=has_private_forwards,
+            has_protected_content=has_protected_content,
+            join_to_send_messages=join_to_send_messages,
+            join_by_request=join_by_request,
+            has_restricted_voice_and_video_messages=has_restricted_voice_and_video_messages,
+            is_forum=is_forum,
+            active_usernames=active_usernames,
+            emoji_status_custom_emoji_id=emoji_status_custom_emoji_id,
+            emoji_status_expiration_date=emoji_status_expiration_date,
+            has_aggressive_anti_spam_enabled=has_aggressive_anti_spam_enabled,
+            has_hidden_members=has_hidden_members,
+            available_reactions=available_reactions,
+            accent_color_id=accent_color_id,
+            background_custom_emoji_id=background_custom_emoji_id,
+            profile_accent_color_id=profile_accent_color_id,
+            profile_background_custom_emoji_id=profile_background_custom_emoji_id,
+            has_visible_history=has_visible_history,
+            unrestrict_boost_count=unrestrict_boost_count,
+            custom_emoji_sticker_set_name=custom_emoji_sticker_set_name,
+            birthdate=birthdate,
+            personal_chat=personal_chat,
+            business_intro=business_intro,
+            business_location=business_location,
+            business_opening_hours=business_opening_hours,
+            api_kwargs=api_kwargs,
+        )
+
+        # Required and unique to this class-
+        with self._unfrozen():
+            self.max_reaction_count: int = max_reaction_count
+
+        self._freeze()
@@ -235,8 +235,9 @@ class ChatMemberAdministrator(ChatMember):
            .. versionadded:: 20.6
            .. versionchanged:: 21.0
                |non_optional_story_argument|
-        can_edit_stories (:obj:`bool`): :obj:`True`, if the administrator can edit
-            stories posted by other users.
+        can_edit_stories (:obj:`bool`): :obj:`True`, if the administrator can edit stories posted
+            by other users, post stories to the chat page, pin chat stories, and access the chat's
+            story archive

            .. versionadded:: 20.6
            .. versionchanged:: 21.0
@@ -294,8 +295,9 @@ class ChatMemberAdministrator(ChatMember):
            .. versionadded:: 20.6
            .. versionchanged:: 21.0
                |non_optional_story_argument|
-        can_edit_stories (:obj:`bool`): :obj:`True`, if the administrator can edit
-            stories posted by other users.
+        can_edit_stories (:obj:`bool`): :obj:`True`, if the administrator can edit stories posted
+            by other users, post stories to the chat page, pin chat stories, and access the chat's
+            story archive

            .. versionadded:: 20.6
            .. versionchanged:: 21.0
@@ -63,6 +63,11 @@ class ChatMemberUpdated(TelegramObject):
            chat via a chat folder invite link

            .. versionadded:: 20.3
+        via_join_request (:obj:`bool`, optional): :obj:`True`, if the user joined the chat after
+            sending a direct join request without using an invite link and being approved by
+            an administrator
+
+            .. versionadded:: 21.2

    Attributes:
        chat (:class:`telegram.Chat`): Chat the user belongs to.
@@ -80,6 +85,11 @@ class ChatMemberUpdated(TelegramObject):
            chat via a chat folder invite link

            .. versionadded:: 20.3
+        via_join_request (:obj:`bool`): Optional. :obj:`True`, if the user joined the chat after
+            sending a direct join request without using an invite link and being approved
+            by an administrator
+
+            .. versionadded:: 21.2

    """

@@ -91,6 +101,7 @@ class ChatMemberUpdated(TelegramObject):
        "new_chat_member",
        "old_chat_member",
        "via_chat_folder_invite_link",
+        "via_join_request",
    )

    def __init__(
@@ -102,6 +113,7 @@ class ChatMemberUpdated(TelegramObject):
        new_chat_member: ChatMember,
        invite_link: Optional[ChatInviteLink] = None,
        via_chat_folder_invite_link: Optional[bool] = None,
+        via_join_request: Optional[bool] = None,
        *,
        api_kwargs: Optional[JSONDict] = None,
    ):
@@ -116,6 +128,7 @@ class ChatMemberUpdated(TelegramObject):

        # Optionals
        self.invite_link: Optional[ChatInviteLink] = invite_link
+        self.via_join_request: Optional[bool] = via_join_request

        self._id_attrs = (
            self.chat,
@@ -27,8 +27,6 @@ from telegram._telegramobject import TelegramObject
 from telegram._utils import enum
 from telegram._utils.argumentparsing import parse_sequence_arg
 from telegram._utils.types import JSONDict
-from telegram._utils.warnings import warn
-from telegram.warnings import PTBDeprecationWarning

 if TYPE_CHECKING:
    from telegram import Bot
@@ -237,20 +235,12 @@ class StickerSet(TelegramObject):
    .. versionchanged:: 20.5
       |removed_thumb_note|

+    .. versionremoved:: 21.2
+       Removed the deprecated arguments and attributes ``is_animated`` and ``is_video``.
+
    Args:
        name (:obj:`str`): Sticker set name.
        title (:obj:`str`): Sticker set title.
-        is_animated (:obj:`bool`): :obj:`True`, if the sticker set contains animated stickers.
-
-            .. deprecated:: 21.1
-                Bot API 7.2 deprecated this field. This parameter will be removed in a future
-                version of the library.
-        is_video (:obj:`bool`): :obj:`True`, if the sticker set contains video stickers.
-            .. versionadded:: 13.11
-
-            .. deprecated:: 21.1
-                Bot API 7.2 deprecated this field. This parameter will be removed in a future
-                version of the library.
        stickers (Sequence[:class:`telegram.Sticker`]): List of all set stickers.

            .. versionchanged:: 20.0
@@ -269,17 +259,6 @@ class StickerSet(TelegramObject):
    Attributes:
        name (:obj:`str`): Sticker set name.
        title (:obj:`str`): Sticker set title.
-        is_animated (:obj:`bool`): :obj:`True`, if the sticker set contains animated stickers.
-
-            .. deprecated:: 21.1
-                Bot API 7.2 deprecated this field. This parameter will be removed in a future
-                version of the library.
-        is_video (:obj:`bool`): :obj:`True`, if the sticker set contains video stickers.
-            .. versionadded:: 13.11
-
-            .. deprecated:: 21.1
-                Bot API 7.2 deprecated this field. This parameter will be removed in a future
-                version of the library.
        stickers (Tuple[:class:`telegram.Sticker`]): List of all set stickers.

            .. versionchanged:: 20.0
@@ -297,8 +276,6 @@ class StickerSet(TelegramObject):
    """

    __slots__ = (
-        "is_animated",
-        "is_video",
        "name",
        "sticker_type",
        "stickers",
@@ -312,8 +289,6 @@ class StickerSet(TelegramObject):
        title: str,
        stickers: Sequence[Sticker],
        sticker_type: str,
-        is_animated: Optional[bool] = None,
-        is_video: Optional[bool] = None,
        thumbnail: Optional[PhotoSize] = None,
        *,
        api_kwargs: Optional[JSONDict] = None,
@@ -325,15 +300,6 @@ class StickerSet(TelegramObject):
        self.sticker_type: str = sticker_type
        # Optional
        self.thumbnail: Optional[PhotoSize] = thumbnail
-        if is_animated is not None or is_video is not None:
-            warn(
-                "The parameters `is_animated` and `is_video` are deprecated and will be removed "
-                "in a future version.",
-                PTBDeprecationWarning,
-                stacklevel=2,
-            )
-        self.is_animated: Optional[bool] = is_animated
-        self.is_video: Optional[bool] = is_video
        self._id_attrs = (self.name,)

        self._freeze()
@@ -350,7 +316,7 @@ class StickerSet(TelegramObject):
        api_kwargs = {}
        # These are deprecated fields that TG still returns for backwards compatibility
        # Let's filter them out to speed up the de-json process
-        for deprecated_field in ("contains_masks", "thumb"):
+        for deprecated_field in ("contains_masks", "thumb", "is_animated", "is_video"):
            if deprecated_field in data:
                api_kwargs[deprecated_field] = data.pop(deprecated_field)

@@ -30,7 +30,8 @@ class ForceReply(TelegramObject):
    Upon receiving a message with this object, Telegram clients will display a reply interface to
    the user (act as if the user has selected the bot's message and tapped 'Reply'). This can be
    extremely useful if you want to create user-friendly step-by-step interfaces without having
-    to sacrifice privacy mode.
+    to sacrifice `privacy mode <https://core.telegram.org/bots/features#privacy-mode>`_. Not
+    supported in channels and for messages sent on behalf of a Telegram Business account.

    Objects of this class are comparable in terms of equality. Two objects of this class are
    considered equal, if their :attr:`selective` is equal.
@@ -91,6 +91,7 @@ class InlineKeyboardButton(TelegramObject):
            to the bot when button is pressed, UTF-8
            :tg-const:`telegram.InlineKeyboardButton.MIN_CALLBACK_DATA`-
            :tg-const:`telegram.InlineKeyboardButton.MAX_CALLBACK_DATA` bytes.
+            Not supported for messages sent on behalf of a Telegram Business account.
            If the bot instance allows arbitrary callback data, anything can be passed.

            Tip:
@@ -102,25 +103,25 @@ class InlineKeyboardButton(TelegramObject):
            <https://core.telegram.org/bots/webapps>`_  that will be launched when the user presses
            the button. The Web App will be able to send an arbitrary message on behalf of the user
            using the method :meth:`~telegram.Bot.answer_web_app_query`. Available only in
-            private chats between a user and the bot.
+            private chats between a user and the bot. Not supported for messages sent on behalf of
+            a Telegram Business account.

            .. versionadded:: 20.0
-        switch_inline_query (:obj:`str`, optional): If set, pressing the button will prompt the
-            user to select one of their chats, open that chat and insert the bot's username and the
-            specified inline query in the input field. Can be empty, in which case just the bot's
-            username will be inserted. This offers an easy way for users to start using your bot
-            in inline mode when they are currently in a private chat with it. Especially useful
-            when combined with ``switch_pm*`` actions - in this case the user will be automatically
-            returned to the chat they switched from, skipping the chat selection screen.
+        switch_inline_query (:obj:`str`, optional): If set, pressing the button will insert the
+            bot's username and the specified inline query in the current chat's input field. May be
+            empty, in which case only the bot's username will be inserted.
+
+            This offers a quick way for the user to open your bot in inline mode in the same chat -
+            good for selecting something from multiple options. Not supported in channels and for
+            messages sent on behalf of a Telegram Business account.

            Tip:
                This is similar to the new parameter :paramref:`switch_inline_query_chosen_chat`,
                but gives no control over which chats can be selected.
        switch_inline_query_current_chat (:obj:`str`, optional): If set, pressing the button will
-            insert the bot's username and the specified inline query in the current chat's input
-            field. Can be empty, in which case only the bot's username will be inserted. This
-            offers a quick way for the user to open your bot in inline mode in the same chat - good
-            for selecting something from multiple options.
+            prompt the user to select one of their chats of the specified type, open that chat and
+            insert the bot's username and the specified inline query in the input field. Not
+            supported for messages sent on behalf of a Telegram Business account.
        callback_game (:class:`telegram.CallbackGame`, optional): Description of the game that will
            be launched when the user presses the button. This type of button **must** always be
            the **first** button in the first row.
@@ -130,7 +131,8 @@ class InlineKeyboardButton(TelegramObject):
        switch_inline_query_chosen_chat (:obj:`telegram.SwitchInlineQueryChosenChat`, optional):
            If set, pressing the button will prompt the user to select one of their chats of the
            specified type, open that chat and insert the bot's username and the specified inline
-            query in the input field.
+            query in the input field. Not supported for messages sent on behalf of a Telegram
+            Business account.

            .. versionadded:: 20.3

@@ -159,29 +161,30 @@ class InlineKeyboardButton(TelegramObject):
            to the bot when button is pressed, UTF-8
            :tg-const:`telegram.InlineKeyboardButton.MIN_CALLBACK_DATA`-
            :tg-const:`telegram.InlineKeyboardButton.MAX_CALLBACK_DATA` bytes.
+            Not supported for messages sent on behalf of a Telegram Business account.
        web_app (:obj:`telegram.WebAppInfo`): Optional. Description of the `Web App
            <https://core.telegram.org/bots/webapps>`_  that will be launched when the user presses
            the button. The Web App will be able to send an arbitrary message on behalf of the user
            using the method :meth:`~telegram.Bot.answer_web_app_query`. Available only in
-            private chats between a user and the bot.
+            private chats between a user and the bot. Not supported for messages sent on behalf of
+            a Telegram Business account.

            .. versionadded:: 20.0
-        switch_inline_query (:obj:`str`): Optional. If set, pressing the button will prompt the
-            user to select one of their chats, open that chat and insert the bot's username and the
-            specified inline query in the input field. Can be empty, in which case just the bot's
-            username will be inserted. This offers an easy way for users to start using your bot
-            in inline mode when they are currently in a private chat with it. Especially useful
-            when combined with ``switch_pm*`` actions - in this case the user will be automatically
-            returned to the chat they switched from, skipping the chat selection screen.
+        switch_inline_query (:obj:`str`): Optional. If set, pressing the button will insert the
+            bot's username and the specified inline query in the current chat's input field. May be
+            empty, in which case only the bot's username will be inserted.
+
+            This offers a quick way for the user to open your bot in inline mode in the same chat -
+            good for selecting something from multiple options. Not supported in channels and for
+            messages sent on behalf of a Telegram Business account.

            Tip:
                This is similar to the new parameter :paramref:`switch_inline_query_chosen_chat`,
                but gives no control over which chats can be selected.
        switch_inline_query_current_chat (:obj:`str`): Optional. If set, pressing the button will
-            insert the bot's username and the specified inline query in the current chat's input
-            field. Can be empty, in which case only the bot's username will be inserted. This
-            offers a quick way for the user to open your bot in inline mode in the same chat - good
-            for selecting something from multiple options.
+            prompt the user to select one of their chats of the specified type, open that chat and
+            insert the bot's username and the specified inline query in the input field. Not
+            supported for messages sent on behalf of a Telegram Business account.
        callback_game (:class:`telegram.CallbackGame`): Optional. Description of the game that will
            be launched when the user presses the button. This type of button **must** always be
            the **first** button in the first row.
@@ -191,7 +194,8 @@ class InlineKeyboardButton(TelegramObject):
        switch_inline_query_chosen_chat (:obj:`telegram.SwitchInlineQueryChosenChat`): Optional.
            If set, pressing the button will prompt the user to select one of their chats of the
            specified type, open that chat and insert the bot's username and the specified inline
-            query in the input field.
+            query in the input field. Not supported for messages sent on behalf of a Telegram
+            Business account.

            .. versionadded:: 20.3

@@ -89,7 +89,9 @@ class InlineQueryResultLocation(InlineQueryResult):
        live_period (:obj:`int`): Optional. Period in seconds for which the location will be
            updated, should be between
            :tg-const:`telegram.InlineQueryResultLocation.MIN_LIVE_PERIOD` and
-            :tg-const:`telegram.InlineQueryResultLocation.MAX_LIVE_PERIOD`.
+            :tg-const:`telegram.InlineQueryResultLocation.MAX_LIVE_PERIOD` or
+            :tg-const:`telegram.constants.LocationLimit.LIVE_PERIOD_FOREVER` for live
+            locations that can be edited indefinitely.
        heading (:obj:`int`): Optional. For live locations, a direction in which the user is
            moving, in degrees. Must be between
            :tg-const:`telegram.InlineQueryResultLocation.MIN_HEADING` and
@@ -42,7 +42,9 @@ class InputLocationMessageContent(InputMessageContent):
        live_period (:obj:`int`, optional): Period in seconds for which the location will be
            updated, should be between
            :tg-const:`telegram.InputLocationMessageContent.MIN_LIVE_PERIOD` and
-            :tg-const:`telegram.InputLocationMessageContent.MAX_LIVE_PERIOD`.
+            :tg-const:`telegram.InputLocationMessageContent.MAX_LIVE_PERIOD` or
+            :tg-const:`telegram.constants.LocationLimit.LIVE_PERIOD_FOREVER` for live
+            locations that can be edited indefinitely.
        heading (:obj:`int`, optional): For live locations, a direction in which the user is
            moving, in degrees. Must be between
            :tg-const:`telegram.InputLocationMessageContent.MIN_HEADING` and
@@ -25,6 +25,7 @@ from html import escape
 from typing import TYPE_CHECKING, Dict, List, Optional, Sequence, Tuple, TypedDict, Union

 from telegram._chat import Chat
+from telegram._chatbackground import ChatBackground
 from telegram._chatboost import ChatBoostAdded
 from telegram._dice import Dice
 from telegram._files.animation import Animation
@@ -64,6 +65,7 @@ from telegram._user import User
 from telegram._utils.argumentparsing import parse_sequence_arg
 from telegram._utils.datetime import extract_tzinfo_from_defaults, from_timestamp
 from telegram._utils.defaultvalue import DEFAULT_NONE, DefaultValue
+from telegram._utils.entities import parse_message_entities, parse_message_entity
 from telegram._utils.types import (
    CorrectOptionID,
    FileInput,
@@ -99,6 +101,7 @@ if TYPE_CHECKING:
        InputMediaDocument,
        InputMediaPhoto,
        InputMediaVideo,
+        InputPollOption,
        LabeledPrice,
        MessageId,
        MessageOrigin,
@@ -198,7 +201,7 @@ class MaybeInaccessibleMessage(TelegramObject):
            data["date"] = from_timestamp(data["date"], tzinfo=loc_tzinfo)

        data["chat"] = Chat.de_json(data.get("chat"), bot)
-        return super()._de_json(data=data, bot=bot)
+        return super()._de_json(data=data, bot=bot, api_kwargs=api_kwargs)


 class InaccessibleMessage(MaybeInaccessibleMessage):
@@ -553,6 +556,11 @@ class Message(MaybeInaccessibleMessage):

            .. versionadded:: 21.1

+        chat_background_set  (:obj:`telegram.ChatBackground`, optional): Service message: chat
+            background set.
+
+            .. versionadded:: 21.2
+
    Attributes:
        message_id (:obj:`int`): Unique message identifier inside this chat.
        from_user (:class:`telegram.User`): Optional. Sender of the message; empty for messages
@@ -853,6 +861,11 @@ class Message(MaybeInaccessibleMessage):

            .. versionadded:: 21.1

+        chat_background_set (:obj:`telegram.ChatBackground`): Optional. Service message: chat
+            background set
+
+            .. versionadded:: 21.2
+
    .. |custom_emoji_no_md1_support| replace:: Since custom emoji entities are not supported by
       :attr:`~telegram.constants.ParseMode.MARKDOWN`, this method now raises a
       :exc:`ValueError` when encountering a custom emoji.
@@ -876,6 +889,7 @@ class Message(MaybeInaccessibleMessage):
        "caption",
        "caption_entities",
        "channel_chat_created",
+        "chat_background_set",
        "chat_shared",
        "connected_website",
        "contact",
@@ -1029,6 +1043,7 @@ class Message(MaybeInaccessibleMessage):
        business_connection_id: Optional[str] = None,
        sender_business_bot: Optional[User] = None,
        is_from_offline: Optional[bool] = None,
+        chat_background_set: Optional[ChatBackground] = None,
        *,
        api_kwargs: Optional[JSONDict] = None,
    ):
@@ -1127,6 +1142,7 @@ class Message(MaybeInaccessibleMessage):
            self.business_connection_id: Optional[str] = business_connection_id
            self.sender_business_bot: Optional[User] = sender_business_bot
            self.is_from_offline: Optional[bool] = is_from_offline
+            self.chat_background_set: Optional[ChatBackground] = chat_background_set

            self._effective_attachment = DEFAULT_NONE

@@ -1241,6 +1257,7 @@ class Message(MaybeInaccessibleMessage):
        )
        data["users_shared"] = UsersShared.de_json(data.get("users_shared"), bot)
        data["chat_shared"] = ChatShared.de_json(data.get("chat_shared"), bot)
+        data["chat_background_set"] = ChatBackground.de_json(data.get("chat_background_set"), bot)

        # Unfortunately, this needs to be here due to cyclic imports
        from telegram._giveaway import (  # pylint: disable=import-outside-toplevel
@@ -1562,9 +1579,11 @@ class Message(MaybeInaccessibleMessage):

        if quote is not None:
            warn(
-                "The `quote` parameter is deprecated in favor of the `do_quote` parameter. Please "
-                "update your code to use `do_quote` instead.",
-                PTBDeprecationWarning,
+                PTBDeprecationWarning(
+                    "20.8",
+                    "The `quote` parameter is deprecated in favor of the `do_quote` parameter. "
+                    "Please update your code to use `do_quote` instead.",
+                ),
                stacklevel=2,
            )

@@ -2890,7 +2909,7 @@ class Message(MaybeInaccessibleMessage):
    async def reply_poll(
        self,
        question: str,
-        options: Sequence[str],
+        options: Sequence[Union[str, "InputPollOption"]],
        is_anonymous: Optional[bool] = None,
        type: Optional[str] = None,  # pylint: disable=redefined-builtin
        allows_multiple_answers: Optional[bool] = None,
@@ -2906,6 +2925,8 @@ class Message(MaybeInaccessibleMessage):
        protect_content: ODVInput[bool] = DEFAULT_NONE,
        message_thread_id: ODVInput[int] = DEFAULT_NONE,
        reply_parameters: Optional["ReplyParameters"] = None,
+        question_parse_mode: ODVInput[str] = DEFAULT_NONE,
+        question_entities: Optional[Sequence["MessageEntity"]] = None,
        *,
        reply_to_message_id: Optional[int] = None,
        allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
@@ -2976,6 +2997,8 @@ class Message(MaybeInaccessibleMessage):
            protect_content=protect_content,
            message_thread_id=message_thread_id,
            business_connection_id=self.business_connection_id,
+            question_parse_mode=question_parse_mode,
+            question_entities=question_entities,
        )

    async def reply_dice(
@@ -3653,6 +3676,7 @@ class Message(MaybeInaccessibleMessage):
        horizontal_accuracy: Optional[float] = None,
        heading: Optional[int] = None,
        proximity_alert_radius: Optional[int] = None,
+        live_period: Optional[int] = None,
        *,
        location: Optional[Location] = None,
        read_timeout: ODVInput[float] = DEFAULT_NONE,
@@ -3694,6 +3718,7 @@ class Message(MaybeInaccessibleMessage):
            horizontal_accuracy=horizontal_accuracy,
            heading=heading,
            proximity_alert_radius=proximity_alert_radius,
+            live_period=live_period,
            inline_message_id=None,
        )

@@ -4184,9 +4209,7 @@ class Message(MaybeInaccessibleMessage):
        if not self.text:
            raise RuntimeError("This Message has no 'text'.")

-        entity_text = self.text.encode("utf-16-le")
-        entity_text = entity_text[entity.offset * 2 : (entity.offset + entity.length) * 2]
-        return entity_text.decode("utf-16-le")
+        return parse_message_entity(self.text, entity)

    def parse_caption_entity(self, entity: MessageEntity) -> str:
        """Returns the text from a given :class:`telegram.MessageEntity`.
@@ -4210,9 +4233,7 @@ class Message(MaybeInaccessibleMessage):
        if not self.caption:
            raise RuntimeError("This Message has no 'caption'.")

-        entity_text = self.caption.encode("utf-16-le")
-        entity_text = entity_text[entity.offset * 2 : (entity.offset + entity.length) * 2]
-        return entity_text.decode("utf-16-le")
+        return parse_message_entity(self.caption, entity)

    def parse_entities(self, types: Optional[List[str]] = None) -> Dict[MessageEntity, str]:
        """
@@ -4237,12 +4258,7 @@ class Message(MaybeInaccessibleMessage):
            the text that belongs to them, calculated based on UTF-16 codepoints.

        """
-        if types is None:
-            types = MessageEntity.ALL_TYPES
-
-        return {
-            entity: self.parse_entity(entity) for entity in self.entities if entity.type in types
-        }
+        return parse_message_entities(self.text, self.entities, types=types)

    def parse_caption_entities(
        self, types: Optional[List[str]] = None
@@ -4269,14 +4285,7 @@ class Message(MaybeInaccessibleMessage):
            the text that belongs to them, calculated based on UTF-16 codepoints.

        """
-        if types is None:
-            types = MessageEntity.ALL_TYPES
-
-        return {
-            entity: self.parse_caption_entity(entity)
-            for entity in self.caption_entities
-            if entity.type in types
-        }
+        return parse_message_entities(self.caption, self.caption_entities, types=types)

    @classmethod
    def _parse_html(
@@ -157,7 +157,10 @@ class EncryptedPassportElement(TelegramObject):
        reverse_side: Optional[PassportFile] = None,
        selfie: Optional[PassportFile] = None,
        translation: Optional[Sequence[PassportFile]] = None,
-        credentials: Optional["Credentials"] = None,  # pylint: disable=unused-argument
+        # TODO: Remove the credentials argument in 22.0 or later
+        credentials: Optional[  # pylint: disable=unused-argument  # noqa: ARG002
+            "Credentials"
+        ] = None,
        *,
        api_kwargs: Optional[JSONDict] = None,
    ):
@@ -210,9 +210,11 @@ class PassportElementErrorFiles(PassportElementError):
            This attribute will return a tuple instead of a list in future major versions.
        """
        warn(
-            "The attribute `file_hashes` will return a tuple instead of a list in future major"
-            " versions.",
-            PTBDeprecationWarning,
+            PTBDeprecationWarning(
+                "20.6",
+                "The attribute `file_hashes` will return a tuple instead of a list in future major"
+                " versions.",
+            ),
            stacklevel=2,
        )
        return self._file_hashes
@@ -427,10 +429,12 @@ class PassportElementErrorTranslationFiles(PassportElementError):
            This attribute will return a tuple instead of a list in future major versions.
        """
        warn(
-            "The attribute `file_hashes` will return a tuple instead of a list in future major"
-            " versions. See the stability policy:"
-            " https://docs.python-telegram-bot.org/en/stable/stability_policy.html",
-            PTBDeprecationWarning,
+            PTBDeprecationWarning(
+                "20.6",
+                "The attribute `file_hashes` will return a tuple instead of a list in future major"
+                " versions. See the stability policy:"
+                " https://docs.python-telegram-bot.org/en/stable/stability_policy.html",
+            ),
            stacklevel=2,
        )
        return self._file_hashes
@@ -107,9 +107,11 @@ class PassportFile(TelegramObject):
            This attribute will return a datetime instead of a integer in future major versions.
        """
        warn(
-            "The attribute `file_date` will return a datetime instead of an integer in future"
-            " major versions.",
-            PTBDeprecationWarning,
+            PTBDeprecationWarning(
+                "20.6",
+                "The attribute `file_date` will return a datetime instead of an integer in future"
+                " major versions.",
+            ),
            stacklevel=2,
        )
        return self._file_date
@@ -28,12 +28,80 @@ from telegram._user import User
 from telegram._utils import enum
 from telegram._utils.argumentparsing import parse_sequence_arg
 from telegram._utils.datetime import extract_tzinfo_from_defaults, from_timestamp
-from telegram._utils.types import JSONDict
+from telegram._utils.defaultvalue import DEFAULT_NONE
+from telegram._utils.entities import parse_message_entities, parse_message_entity
+from telegram._utils.types import JSONDict, ODVInput

 if TYPE_CHECKING:
    from telegram import Bot


+class InputPollOption(TelegramObject):
+    """
+    This object contains information about one answer option in a poll to send.
+
+    Objects of this class are comparable in terms of equality. Two objects of this class are
+    considered equal, if their :attr:`text` is equal.
+
+    .. versionadded:: 21.2
+
+    Args:
+        text (:obj:`str`): Option text,
+            :tg-const:`telegram.PollOption.MIN_LENGTH`-:tg-const:`telegram.PollOption.MAX_LENGTH`
+            characters.
+        text_parse_mode (:obj:`str`, optional): |parse_mode|
+            Currently, only custom emoji entities are allowed.
+        text_entities (Sequence[:class:`telegram.MessageEntity`], optional): Special entities
+            that appear in the option :paramref:`text`. It can be specified instead of
+            :paramref:`text_parse_mode`.
+            Currently, only custom emoji entities are allowed.
+            This list is empty if the text does not contain entities.
+
+    Attributes:
+        text (:obj:`str`): Option text,
+            :tg-const:`telegram.PollOption.MIN_LENGTH`-:tg-const:`telegram.PollOption.MAX_LENGTH`
+            characters.
+        text_parse_mode (:obj:`str`): Optional. |parse_mode|
+            Currently, only custom emoji entities are allowed.
+        text_entities (Sequence[:class:`telegram.MessageEntity`]): Special entities
+            that appear in the option :paramref:`text`. It can be specified instead of
+            :paramref:`text_parse_mode`.
+            Currently, only custom emoji entities are allowed.
+            This list is empty if the text does not contain entities.
+    """
+
+    __slots__ = ("text", "text_entities", "text_parse_mode")
+
+    def __init__(
+        self,
+        text: str,
+        text_parse_mode: ODVInput[str] = DEFAULT_NONE,
+        text_entities: Optional[Sequence[MessageEntity]] = None,
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
+        super().__init__(api_kwargs=api_kwargs)
+        self.text: str = text
+        self.text_parse_mode: ODVInput[str] = text_parse_mode
+        self.text_entities: Tuple[MessageEntity, ...] = parse_sequence_arg(text_entities)
+
+        self._id_attrs = (self.text,)
+
+        self._freeze()
+
+    @classmethod
+    def de_json(cls, data: Optional[JSONDict], bot: "Bot") -> Optional["InputPollOption"]:
+        """See :meth:`telegram.TelegramObject.de_json`."""
+        data = cls._parse_data(data)
+
+        if not data:
+            return None
+
+        data["text_entities"] = MessageEntity.de_list(data.get("text_entities"), bot)
+
+        return super().de_json(data=data, bot=bot)
+
+
 class PollOption(TelegramObject):
    """
    This object contains information about one answer option in a poll.
@@ -46,26 +114,101 @@ class PollOption(TelegramObject):
            :tg-const:`telegram.PollOption.MIN_LENGTH`-:tg-const:`telegram.PollOption.MAX_LENGTH`
            characters.
        voter_count (:obj:`int`): Number of users that voted for this option.
+        text_entities (Sequence[:class:`telegram.MessageEntity`], optional): Special entities
+            that appear in the option text. Currently, only custom emoji entities are allowed in
+            poll option texts.
+
+            .. versionadded:: 21.2

    Attributes:
        text (:obj:`str`): Option text,
            :tg-const:`telegram.PollOption.MIN_LENGTH`-:tg-const:`telegram.PollOption.MAX_LENGTH`
            characters.
        voter_count (:obj:`int`): Number of users that voted for this option.
+        text_entities (Tuple[:class:`telegram.MessageEntity`]): Special entities
+            that appear in the option text. Currently, only custom emoji entities are allowed in
+            poll option texts.
+            This list is empty if the question does not contain entities.
+
+            .. versionadded:: 21.2

    """

-    __slots__ = ("text", "voter_count")
+    __slots__ = ("text", "text_entities", "voter_count")

-    def __init__(self, text: str, voter_count: int, *, api_kwargs: Optional[JSONDict] = None):
+    def __init__(
+        self,
+        text: str,
+        voter_count: int,
+        text_entities: Optional[Sequence[MessageEntity]] = None,
+        *,
+        api_kwargs: Optional[JSONDict] = None,
+    ):
        super().__init__(api_kwargs=api_kwargs)
        self.text: str = text
        self.voter_count: int = voter_count
+        self.text_entities: Tuple[MessageEntity, ...] = parse_sequence_arg(text_entities)

        self._id_attrs = (self.text, self.voter_count)

        self._freeze()

+    @classmethod
+    def de_json(cls, data: Optional[JSONDict], bot: "Bot") -> Optional["PollOption"]:
+        """See :meth:`telegram.TelegramObject.de_json`."""
+        data = cls._parse_data(data)
+
+        if not data:
+            return None
+
+        data["text_entities"] = MessageEntity.de_list(data.get("text_entities"), bot)
+
+        return super().de_json(data=data, bot=bot)
+
+    def parse_entity(self, entity: MessageEntity) -> str:
+        """Returns the text in :attr:`text`
+        from a given :class:`telegram.MessageEntity` of :attr:`text_entities`.
+
+        Note:
+            This method is present because Telegram calculates the offset and length in
+            UTF-16 codepoint pairs, which some versions of Python don't handle automatically.
+            (That is, you can't just slice ``Message.text`` with the offset and length.)
+
+        .. versionadded:: 21.2
+
+        Args:
+            entity (:class:`telegram.MessageEntity`): The entity to extract the text from. It must
+                be an entity that belongs to :attr:`text_entities`.
+
+        Returns:
+            :obj:`str`: The text of the given entity.
+        """
+        return parse_message_entity(self.text, entity)
+
+    def parse_entities(self, types: Optional[List[str]] = None) -> Dict[MessageEntity, str]:
+        """
+        Returns a :obj:`dict` that maps :class:`telegram.MessageEntity` to :obj:`str`.
+        It contains entities from this polls question filtered by their ``type`` attribute as
+        the key, and the text that each entity belongs to as the value of the :obj:`dict`.
+
+        Note:
+            This method should always be used instead of the :attr:`text_entities`
+            attribute, since it calculates the correct substring from the message text based on
+            UTF-16 codepoints. See :attr:`parse_entity` for more info.
+
+        .. versionadded:: 21.2
+
+        Args:
+            types (List[:obj:`str`], optional): List of ``MessageEntity`` types as strings. If the
+                    ``type`` attribute of an entity is contained in this list, it will be returned.
+                    Defaults to :attr:`telegram.MessageEntity.ALL_TYPES`.
+
+        Returns:
+            Dict[:class:`telegram.MessageEntity`, :obj:`str`]: A dictionary of entities mapped to
+            the text that belongs to them, calculated based on UTF-16 codepoints.
+        """
+        return parse_message_entities(self.text, self.text_entities, types)
+
    MIN_LENGTH: Final[int] = constants.PollLimit.MIN_OPTION_LENGTH
    """:const:`telegram.constants.PollLimit.MIN_OPTION_LENGTH`

@@ -215,6 +358,11 @@ class Poll(TelegramObject):

            .. versionchanged:: 20.3
                |datetime_localization|
+        question_entities (Sequence[:class:`telegram.MessageEntity`], optional): Special entities
+            that appear in the :attr:`question`. Currently, only custom emoji entities are allowed
+            in poll questions.
+
+            .. versionadded:: 21.2

    Attributes:
        id (:obj:`str`): Unique poll identifier.
@@ -251,6 +399,12 @@ class Poll(TelegramObject):

            .. versionchanged:: 20.3
                |datetime_localization|
+        question_entities (Tuple[:class:`telegram.MessageEntity`]): Special entities
+            that appear in the :attr:`question`. Currently, only custom emoji entities are allowed
+            in poll questions.
+            This list is empty if the question does not contain entities.
+
+            .. versionadded:: 21.2

    """

@@ -266,6 +420,7 @@ class Poll(TelegramObject):
        "open_period",
        "options",
        "question",
+        "question_entities",
        "total_voter_count",
        "type",
    )
@@ -285,6 +440,7 @@ class Poll(TelegramObject):
        explanation_entities: Optional[Sequence[MessageEntity]] = None,
        open_period: Optional[int] = None,
        close_date: Optional[datetime.datetime] = None,
+        question_entities: Optional[Sequence[MessageEntity]] = None,
        *,
        api_kwargs: Optional[JSONDict] = None,
    ):
@@ -304,6 +460,7 @@ class Poll(TelegramObject):
        )
        self.open_period: Optional[int] = open_period
        self.close_date: Optional[datetime.datetime] = close_date
+        self.question_entities: Tuple[MessageEntity, ...] = parse_sequence_arg(question_entities)

        self._id_attrs = (self.id,)

@@ -323,11 +480,13 @@ class Poll(TelegramObject):
        data["options"] = [PollOption.de_json(option, bot) for option in data["options"]]
        data["explanation_entities"] = MessageEntity.de_list(data.get("explanation_entities"), bot)
        data["close_date"] = from_timestamp(data.get("close_date"), tzinfo=loc_tzinfo)
+        data["question_entities"] = MessageEntity.de_list(data.get("question_entities"), bot)

        return super().de_json(data=data, bot=bot)

    def parse_explanation_entity(self, entity: MessageEntity) -> str:
-        """Returns the text from a given :class:`telegram.MessageEntity`.
+        """Returns the text in :attr:`explanation` from a given :class:`telegram.MessageEntity` of
+        :attr:`explanation_entities`.

        Note:
            This method is present because Telegram calculates the offset and length in
@@ -336,7 +495,7 @@ class Poll(TelegramObject):

        Args:
            entity (:class:`telegram.MessageEntity`): The entity to extract the text from. It must
-                be an entity that belongs to this message.
+                be an entity that belongs to :attr:`explanation_entities`.

        Returns:
            :obj:`str`: The text of the given entity.
@@ -348,10 +507,7 @@ class Poll(TelegramObject):
        if not self.explanation:
            raise RuntimeError("This Poll has no 'explanation'.")

-        entity_text = self.explanation.encode("utf-16-le")
-        entity_text = entity_text[entity.offset * 2 : (entity.offset + entity.length) * 2]
-
-        return entity_text.decode("utf-16-le")
+        return parse_message_entity(self.explanation, entity)

    def parse_explanation_entities(
        self, types: Optional[List[str]] = None
@@ -375,15 +531,61 @@ class Poll(TelegramObject):
            Dict[:class:`telegram.MessageEntity`, :obj:`str`]: A dictionary of entities mapped to
            the text that belongs to them, calculated based on UTF-16 codepoints.

-        """
-        if types is None:
-            types = MessageEntity.ALL_TYPES
+        Raises:
+            RuntimeError: If the poll has no explanation.

-        return {
-            entity: self.parse_explanation_entity(entity)
-            for entity in self.explanation_entities
-            if entity.type in types
-        }
+        """
+        if not self.explanation:
+            raise RuntimeError("This Poll has no 'explanation'.")
+
+        return parse_message_entities(self.explanation, self.explanation_entities, types)
+
+    def parse_question_entity(self, entity: MessageEntity) -> str:
+        """Returns the text in :attr:`question` from a given :class:`telegram.MessageEntity` of
+        :attr:`question_entities`.
+
+        .. versionadded:: 21.2
+
+        Note:
+            This method is present because Telegram calculates the offset and length in
+            UTF-16 codepoint pairs, which some versions of Python don't handle automatically.
+            (That is, you can't just slice ``Message.text`` with the offset and length.)
+
+        Args:
+            entity (:class:`telegram.MessageEntity`): The entity to extract the text from. It must
+                be an entity that belongs to :attr:`question_entities`.
+
+        Returns:
+            :obj:`str`: The text of the given entity.
+        """
+        return parse_message_entity(self.question, entity)
+
+    def parse_question_entities(
+        self, types: Optional[List[str]] = None
+    ) -> Dict[MessageEntity, str]:
+        """
+        Returns a :obj:`dict` that maps :class:`telegram.MessageEntity` to :obj:`str`.
+        It contains entities from this polls question filtered by their ``type`` attribute as
+        the key, and the text that each entity belongs to as the value of the :obj:`dict`.
+
+        .. versionadded:: 21.2
+
+        Note:
+            This method should always be used instead of the :attr:`question_entities`
+            attribute, since it calculates the correct substring from the message text based on
+            UTF-16 codepoints. See :attr:`parse_question_entity` for more info.
+
+        Args:
+            types (List[:obj:`str`], optional): List of ``MessageEntity`` types as strings. If the
+                    ``type`` attribute of an entity is contained in this list, it will be returned.
+                    Defaults to :attr:`telegram.MessageEntity.ALL_TYPES`.
+
+        Returns:
+            Dict[:class:`telegram.MessageEntity`, :obj:`str`]: A dictionary of entities mapped to
+            the text that belongs to them, calculated based on UTF-16 codepoints.
+
+        """
+        return parse_message_entities(self.question, self.question_entities, types)

    REGULAR: Final[str] = constants.PollType.REGULAR
    """:const:`telegram.constants.PollType.REGULAR`"""
@@ -355,6 +355,7 @@ class ReplyParameters(TelegramObject):
            chat, or in the chat :paramref:`chat_id` if it is specified.
        chat_id (:obj:`int` | :obj:`str`, optional): If the message to be replied to is from a
            different chat, |chat_id_channel|
+            Not supported for messages sent on behalf of a business account.
        allow_sending_without_reply (:obj:`bool`, optional): |allow_sending_without_reply| Can be
            used only for replies in the same chat and forum topic.
        quote (:obj:`str`, optional): Quoted part of the message to be replied to; 0-1024
@@ -376,6 +377,7 @@ class ReplyParameters(TelegramObject):
            chat, or in the chat :paramref:`chat_id` if it is specified.
        chat_id (:obj:`int` | :obj:`str`): Optional. If the message to be replied to is from a
            different chat, |chat_id_channel|
+            Not supported for messages sent on behalf of a business account.
        allow_sending_without_reply (:obj:`bool`): Optional. |allow_sending_without_reply| Can be
            used only for replies in the same chat and forum topic.
        quote (:obj:`str`): Optional. Quoted part of the message to be replied to; 0-1024
@@ -28,7 +28,8 @@ from telegram._utils.types import JSONDict


 class ReplyKeyboardMarkup(TelegramObject):
-    """This object represents a custom keyboard with reply options.
+    """This object represents a custom keyboard with reply options. Not supported in channels and
+    for messages sent on behalf of a Telegram Business account.

    Objects of this class are comparable in terms of equality. Two objects of this class are
    considered equal, if their size of :attr:`keyboard` and all the buttons are equal.
@@ -29,6 +29,7 @@ class ReplyKeyboardRemove(TelegramObject):
    keyboard and display the default letter-keyboard. By default, custom keyboards are displayed
    until a new keyboard is sent by a bot. An exception is made for one-time keyboards that are
    hidden immediately after the user presses a button (see :class:`telegram.ReplyKeyboardMarkup`).
+    Not supported in channels and for messages sent on behalf of a Telegram Business account.

    Note:
        User will not be able to summon this keyboard; if you want to hide the keyboard from
@@ -23,12 +23,6 @@ from telegram._files.photosize import PhotoSize
 from telegram._telegramobject import TelegramObject
 from telegram._utils.argumentparsing import parse_sequence_arg
 from telegram._utils.types import JSONDict
-from telegram._utils.warnings import warn
-from telegram._utils.warnings_transition import (
-    build_deprecation_warning_message,
-    warn_about_deprecated_attr_in_property,
-)
-from telegram.warnings import PTBDeprecationWarning

 if TYPE_CHECKING:
    from telegram._bot import Bot
@@ -44,11 +38,14 @@ class UsersShared(TelegramObject):

    .. versionadded:: 20.8
       Bot API 7.0 replaces ``UserShared`` with this class. The only difference is that now
-       the :attr:`user_ids` is a sequence instead of a single integer.
+       the ``user_ids`` is a sequence instead of a single integer.

    .. versionchanged:: 21.1
       The argument :attr:`users` is now considered for the equality comparison instead of
-       :attr:`user_ids`.
+       ``user_ids``.
+
+    .. versionremoved:: 21.2
+       Removed the deprecated argument and attribute ``user_ids``.

    Args:
        request_id (:obj:`int`): Identifier of the request.
@@ -57,18 +54,8 @@ class UsersShared(TelegramObject):

            .. versionadded:: 21.1

-            .. deprecated:: 21.1
-                In future versions, this argument will become keyword only.
-        user_ids (Sequence[:obj:`int`], optional): Identifiers of the shared users. These numbers
-            may have more than 32 significant bits and some programming languages may have
-            difficulty/silent defects in interpreting them. But they have at most 52 significant
-            bits, so 64-bit integers or double-precision float types are safe for storing these
-            identifiers. The bot may not have access to the users and could be unable to use
-            these identifiers, unless the users are already known to the bot by some other means.
-
-            .. deprecated:: 21.1
-               Bot API 7.2 introduced by :paramref:`users`, replacing this argument. Hence, this
-               argument is now optional and will be removed in future versions.
+            .. versionchanged:: 21.2
+               This argument is now required.

    Attributes:
        request_id (:obj:`int`): Identifier of the request.
@@ -83,31 +70,14 @@ class UsersShared(TelegramObject):
    def __init__(
        self,
        request_id: int,
-        user_ids: Optional[Sequence[int]] = None,
-        users: Optional[Sequence["SharedUser"]] = None,
+        users: Sequence["SharedUser"],
        *,
        api_kwargs: Optional[JSONDict] = None,
    ):
        super().__init__(api_kwargs=api_kwargs)
        self.request_id: int = request_id
-
-        if users is None:
-            raise TypeError("`users` is a required argument since Bot API 7.2")
-
        self.users: Tuple[SharedUser, ...] = parse_sequence_arg(users)

-        if user_ids is not None:
-            warn(
-                build_deprecation_warning_message(
-                    deprecated_name="user_ids",
-                    new_name="users",
-                    object_type="parameter",
-                    bot_api_version="7.2",
-                ),
-                PTBDeprecationWarning,
-                stacklevel=2,
-            )
-
        self._id_attrs = (self.request_id, self.users)

        self._freeze()
@@ -130,28 +100,6 @@ class UsersShared(TelegramObject):

        return super()._de_json(data=data, bot=bot, api_kwargs=api_kwargs)

-    @property
-    def user_ids(self) -> Tuple[int, ...]:
-        """
-        Tuple[:obj:`int`]: Identifiers of the shared users. These numbers may have
-        more than 32 significant bits and some programming languages may have difficulty/silent
-        defects in interpreting them. But they have at most 52 significant bits, so 64-bit
-        integers or double-precision float types are safe for storing these identifiers. The
-        bot may not have access to the users and could be unable to use these identifiers,
-        unless the users are already known to the bot by some other means.
-
-        .. deprecated:: 21.1
-            As Bot API 7.2 replaces this attribute with :attr:`users`, this attribute will be
-            removed in future versions.
-        """
-        warn_about_deprecated_attr_in_property(
-            deprecated_attr_name="user_ids",
-            new_attr_name="users",
-            bot_api_version="7.2",
-            stacklevel=2,
-        )
-        return tuple(user.user_id for user in self.users)
-

 class ChatShared(TelegramObject):
    """
@@ -141,8 +141,8 @@ class Update(TelegramObject):

            .. versionadded:: 21.1

-        business_message (:class:`telegram.Message`, optional): New non-service message
-            from a connected business account.
+        business_message (:class:`telegram.Message`, optional): New message from a connected
+            business account.

            .. versionadded:: 21.1

@@ -249,8 +249,8 @@ class Update(TelegramObject):

            .. versionadded:: 21.1

-        business_message (:class:`telegram.Message`): Optional. New non-service message
-            from a connected business account.
+        business_message (:class:`telegram.Message`): Optional. New message from a connected
+            business account.

            .. versionadded:: 21.1

@@ -40,6 +40,7 @@ if TYPE_CHECKING:
        InputMediaDocument,
        InputMediaPhoto,
        InputMediaVideo,
+        InputPollOption,
        LabeledPrice,
        LinkPreviewOptions,
        Location,
@@ -1482,7 +1483,7 @@ class User(TelegramObject):
    async def send_poll(
        self,
        question: str,
-        options: Sequence[str],
+        options: Sequence[Union[str, "InputPollOption"]],
        is_anonymous: Optional[bool] = None,
        type: Optional[str] = None,
        allows_multiple_answers: Optional[bool] = None,
@@ -1499,6 +1500,8 @@ class User(TelegramObject):
        message_thread_id: Optional[int] = None,
        reply_parameters: Optional["ReplyParameters"] = None,
        business_connection_id: Optional[str] = None,
+        question_parse_mode: ODVInput[str] = DEFAULT_NONE,
+        question_entities: Optional[Sequence["MessageEntity"]] = None,
        *,
        reply_to_message_id: Optional[int] = None,
        allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
@@ -1548,6 +1551,8 @@ class User(TelegramObject):
            protect_content=protect_content,
            message_thread_id=message_thread_id,
            business_connection_id=business_connection_id,
+            question_parse_mode=question_parse_mode,
+            question_entities=question_entities,
        )

    async def send_copy(
@@ -0,0 +1,71 @@
+#!/usr/bin/env python
+#
+# A library that provides a Python interface to the Telegram Bot API
+# Copyright (C) 2015-2024
+# Leandro Toledo de Souza <devs@python-telegram-bot.org>
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser Public License for more details.
+#
+# You should have received a copy of the GNU Lesser Public License
+# along with this program.  If not, see [http://www.gnu.org/licenses/].
+"""This module contains auxiliary functionality for parsing MessageEntity objects.
+
+Warning:
+    Contents of this module are intended to be used internally by the library and *not* by the
+    user. Changes to this module are not considered breaking changes and may not be documented in
+    the changelog.
+"""
+from typing import Dict, Optional, Sequence
+
+from telegram._messageentity import MessageEntity
+
+
+def parse_message_entity(text: str, entity: MessageEntity) -> str:
+    """Returns the text from a given :class:`telegram.MessageEntity`.
+
+    Args:
+        text (:obj:`str`): The text to extract the entity from.
+        entity (:class:`telegram.MessageEntity`): The entity to extract the text from.
+
+    Returns:
+        :obj:`str`: The text of the given entity.
+    """
+    entity_text = text.encode("utf-16-le")
+    entity_text = entity_text[entity.offset * 2 : (entity.offset + entity.length) * 2]
+
+    return entity_text.decode("utf-16-le")
+
+
+def parse_message_entities(
+    text: str, entities: Sequence[MessageEntity], types: Optional[Sequence[str]] = None
+) -> Dict[MessageEntity, str]:
+    """
+    Returns a :obj:`dict` that maps :class:`telegram.MessageEntity` to :obj:`str`.
+    It contains entities filtered by their ``type`` attribute as
+    the key, and the text that each entity belongs to as the value of the :obj:`dict`.
+
+    Args:
+        text (:obj:`str`): The text to extract the entity from.
+        entities (List[:class:`telegram.MessageEntity`]): The entities to extract the text from.
+        types (List[:obj:`str`], optional): List of ``MessageEntity`` types as strings. If the
+            ``type`` attribute of an entity is contained in this list, it will be returned.
+            Defaults to :attr:`telegram.MessageEntity.ALL_TYPES`.
+
+    Returns:
+        Dict[:class:`telegram.MessageEntity`, :obj:`str`]: A dictionary of entities mapped to
+        the text that belongs to them, calculated based on UTF-16 codepoints.
+    """
+    if types is None:
+        types = MessageEntity.ALL_TYPES
+
+    return {
+        entity: parse_message_entity(text, entity) for entity in entities if entity.type in types
+    }
@@ -60,7 +60,7 @@ class StringEnum(str, _enum.Enum):


 # Apply the __repr__ modification and __str__ fix to IntEnum
-class IntEnum(_enum.IntEnum):
+class IntEnum(_enum.IntEnum):  # pylint: disable=invalid-slots
    """Helper class for int enums where ``str(member)`` prints the value, but ``repr(member)``
    gives ``EnumName.MEMBER_NAME``.
    """
@@ -26,19 +26,28 @@ Warning:
    the changelog.
 """
 import warnings
-from typing import Type
+from typing import Type, Union

 from telegram.warnings import PTBUserWarning


-def warn(message: str, category: Type[Warning] = PTBUserWarning, stacklevel: int = 0) -> None:
+def warn(
+    message: Union[str, PTBUserWarning],
+    category: Type[Warning] = PTBUserWarning,
+    stacklevel: int = 0,
+) -> None:
    """
    Helper function used as a shortcut for warning with default values.

    .. versionadded:: 20.0

    Args:
-        message (:obj:`str`): Specify the warnings message to pass to ``warnings.warn()``.
+        message (:obj:`str` | :obj:`PTBUserWarning`): Specify the warnings message to pass to
+            ``warnings.warn()``.
+
+            .. versionchanged:: 21.2
+                Now also accepts a :obj:`PTBUserWarning` instance.
+
        category (:obj:`Type[Warning]`, optional): Specify the Warning class to pass to
            ``warnings.warn()``. Defaults to :class:`telegram.warnings.PTBUserWarning`.
        stacklevel (:obj:`int`, optional): Specify the stacklevel to pass to ``warnings.warn()``.
@@ -23,10 +23,10 @@ inside warnings.py.

 .. versionadded:: 20.2
 """
-from typing import Any, Callable, Type
+from typing import Any, Callable, Type, Union

 from telegram._utils.warnings import warn
-from telegram.warnings import PTBDeprecationWarning
+from telegram.warnings import PTBDeprecationWarning, PTBUserWarning


 def build_deprecation_warning_message(
@@ -54,8 +54,9 @@ def warn_about_deprecated_arg_return_new_arg(
    deprecated_arg_name: str,
    new_arg_name: str,
    bot_api_version: str,
+    ptb_version: str,
    stacklevel: int = 2,
-    warn_callback: Callable[[str, Type[Warning], int], None] = warn,
+    warn_callback: Callable[[Union[str, PTBUserWarning], Type[Warning], int], None] = warn,
 ) -> Any:
    """A helper function for the transition in API when argument is renamed.

@@ -80,10 +81,12 @@ def warn_about_deprecated_arg_return_new_arg(

    if deprecated_arg:
        warn_callback(
-            f"Bot API {bot_api_version} renamed the argument '{deprecated_arg_name}' to "
-            f"'{new_arg_name}'.",
-            PTBDeprecationWarning,
-            stacklevel + 1,
+            PTBDeprecationWarning(
+                ptb_version,
+                f"Bot API {bot_api_version} renamed the argument '{deprecated_arg_name}' to "
+                f"'{new_arg_name}'.",
+            ),
+            stacklevel=stacklevel + 1,  # type: ignore[call-arg]
        )
        return deprecated_arg

@@ -94,6 +97,7 @@ def warn_about_deprecated_attr_in_property(
    deprecated_attr_name: str,
    new_attr_name: str,
    bot_api_version: str,
+    ptb_version: str,
    stacklevel: int = 2,
 ) -> None:
    """A helper function for the transition in API when attribute is renamed. Call from properties.
@@ -101,8 +105,10 @@ def warn_about_deprecated_attr_in_property(
    The properties replace deprecated attributes in classes and issue these deprecation warnings.
    """
    warn(
-        f"Bot API {bot_api_version} renamed the attribute '{deprecated_attr_name}' to "
-        f"'{new_attr_name}'.",
-        PTBDeprecationWarning,
+        PTBDeprecationWarning(
+            ptb_version,
+            f"Bot API {bot_api_version} renamed the attribute '{deprecated_attr_name}' to "
+            f"'{new_attr_name}'.",
+        ),
        stacklevel=stacklevel + 1,
    )
@@ -51,7 +51,7 @@ class Version(NamedTuple):


 __version_info__: Final[Version] = Version(
-    major=21, minor=1, micro=1, releaselevel="final", serial=0
+    major=21, minor=2, micro=0, releaselevel="final", serial=0
 )
 __version__: Final[str] = str(__version_info__)

@@ -29,7 +29,7 @@ those classes.
    * Most of the constants in this module are grouped into enums.
 """
 # TODO: Remove this when https://github.com/PyCQA/pylint/issues/6887 is resolved.
-# pylint: disable=invalid-enum-extension
+# pylint: disable=invalid-enum-extension,invalid-slots

 __all__ = [
    "BOT_API_VERSION",
@@ -37,6 +37,10 @@ __all__ = [
    "SUPPORTED_WEBHOOK_PORTS",
    "ZERO_DATE",
    "AccentColor",
+    "BackgroundFillLimit",
+    "BackgroundFillType",
+    "BackgroundTypeLimit",
+    "BackgroundTypeType",
    "BotCommandLimit",
    "BotCommandScopeType",
    "BotDescriptionLimit",
@@ -142,7 +146,7 @@ class _AccentColor(NamedTuple):
 #: :data:`telegram.__bot_api_version_info__`.
 #:
 #: .. versionadded:: 20.0
-BOT_API_VERSION_INFO: Final[_BotAPIVersion] = _BotAPIVersion(major=7, minor=2)
+BOT_API_VERSION_INFO: Final[_BotAPIVersion] = _BotAPIVersion(major=7, minor=3)
 #: :obj:`str`: Telegram Bot API
 #: version supported by this version of `python-telegram-bot`. Also available as
 #: :data:`telegram.__bot_api_version__`.
@@ -822,6 +826,46 @@ class ChatLimit(IntEnum):
    """


+class BackgroundTypeLimit(IntEnum):
+    """This enum contains limitations for :class:`telegram.BackgroundTypeFill`,
+    :class:`telegram.BackgroundTypeWallpaper` and :class:`telegram.BackgroundTypePattern`.
+    The enum members of this enumeration are instances of :class:`int` and can be treated as such.
+
+    .. versionadded:: 21.2
+    """
+
+    __slots__ = ()
+
+    MAX_DIMMING = 100
+    """:obj:`int`: Maximum value allowed for:
+
+    * :paramref:`~telegram.BackgroundTypeFill.dark_theme_dimming` parameter of
+        :class:`telegram.BackgroundTypeFill`
+    * :paramref:`~telegram.BackgroundTypeWallpaper.dark_theme_dimming` parameter of
+        :class:`telegram.BackgroundTypeWallpaper`
+    """
+    MAX_INTENSITY = 100
+    """:obj:`int`: Maximum value allowed for :paramref:`~telegram.BackgroundTypePattern.intensity`
+    parameter of :class:`telegram.BackgroundTypePattern`
+    """
+
+
+class BackgroundFillLimit(IntEnum):
+    """This enum contains limitations for :class:`telegram.BackgroundFillGradient`.
+    The enum members of this enumeration are instances of :class:`int` and can be treated as such.
+
+    .. versionadded:: 21.2
+    """
+
+    __slots__ = ()
+
+    MAX_ROTATION_ANGLE = 359
+    """:obj:`int`: Maximum value allowed for:
+        :paramref:`~telegram.BackgroundFillGradient.rotation_angle` parameter of
+        :class:`telegram.BackgroundFillGradient`
+    """
+
+
 class ChatMemberStatus(StringEnum):
    """This enum contains the available states for :class:`telegram.ChatMember`. The enum
    members of this enumeration are instances of :class:`str` and can be treated as such.
@@ -1427,6 +1471,21 @@ class LocationLimit(IntEnum):
      :meth:`telegram.Bot.send_location`
    """

+    LIVE_PERIOD_FOREVER = int(hex(0x7FFFFFFF), 16)
+    """:obj:`int`: Value for live locations that can be edited indefinitely. Passed in:
+
+    * :paramref:`~telegram.InlineQueryResultLocation.live_period` parameter of
+      :class:`telegram.InlineQueryResultLocation`
+    * :paramref:`~telegram.InputLocationMessageContent.live_period` parameter of
+      :class:`telegram.InputLocationMessageContent`
+    * :paramref:`~telegram.Bot.edit_message_live_location.live_period` parameter of
+      :meth:`telegram.Bot.edit_message_live_location`
+    * :paramref:`~telegram.Bot.send_location.live_period` parameter of
+      :meth:`telegram.Bot.send_location`
+
+    .. versionadded:: 21.2
+    """
+
    MIN_PROXIMITY_ALERT_RADIUS = 1
    """:obj:`int`: Minimum value allowed for:

@@ -1726,6 +1785,11 @@ class MessageType(StringEnum):

    .. versionadded:: 20.8
    """
+    CHAT_BACKGROUND_SET = "chat_background_set"
+    """:obj:`str`: Messages with :attr:`telegram.Message.chat_background_set`.
+
+    .. versionadded:: 21.2
+    """
    CONNECTED_WEBSITE = "connected_website"
    """:obj:`str`: Messages with :attr:`telegram.Message.connected_website`."""
    CONTACT = "contact"
@@ -2878,3 +2942,39 @@ class ReactionEmoji(StringEnum):
    """:obj:`str`: Woman Shrugging"""
    POUTING_FACE = "😡"
    """:obj:`str`: Pouting face"""
+
+
+class BackgroundTypeType(StringEnum):
+    """This enum contains the available types of :class:`telegram.BackgroundType`. The enum
+    members of this enumeration are instances of :class:`str` and can be treated as such.
+
+    .. versionadded:: 21.2
+    """
+
+    __slots__ = ()
+
+    FILL = "fill"
+    """:obj:`str`: A :class:`telegram.BackgroundType` with fill background."""
+    WALLPAPER = "wallpaper"
+    """:obj:`str`: A :class:`telegram.BackgroundType` with wallpaper background."""
+    PATTERN = "pattern"
+    """:obj:`str`: A :class:`telegram.BackgroundType` with pattern background."""
+    CHAT_THEME = "chat_theme"
+    """:obj:`str`: A :class:`telegram.BackgroundType` with chat_theme background."""
+
+
+class BackgroundFillType(StringEnum):
+    """This enum contains the available types of :class:`telegram.BackgroundFill`. The enum
+    members of this enumeration are instances of :class:`str` and can be treated as such.
+
+    .. versionadded:: 21.2
+    """
+
+    __slots__ = ()
+
+    SOLID = "solid"
+    """:obj:`str`: A :class:`telegram.BackgroundFill` with solid fill."""
+    GRADIENT = "gradient"
+    """:obj:`str`: A :class:`telegram.BackgroundFill` with gradient fill."""
+    FREEFORM_GRADIENT = "freeform_gradient"
+    """:obj:`str`: A :class:`telegram.BackgroundFill` with freeform_gradient fill."""
@@ -208,7 +208,7 @@ class AIORateLimiter(BaseRateLimiter[int]):
        callback: Callable[..., Coroutine[Any, Any, Union[bool, JSONDict, List[JSONDict]]]],
        args: Any,
        kwargs: Dict[str, Any],
-        endpoint: str,
+        endpoint: str,  # noqa: ARG002
        data: Dict[str, Any],
        rate_limit_args: Optional[int],
    ) -> Union[bool, JSONDict, List[JSONDict]]:
@@ -365,6 +365,7 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica
        self.__update_persistence_event = asyncio.Event()
        self.__update_persistence_lock = asyncio.Lock()
        self.__create_task_tasks: Set[asyncio.Task] = set()  # Used for awaiting tasks upon exit
+        self.__stop_running_marker = asyncio.Event()

    async def __aenter__(self: _AppType) -> _AppType:  # noqa: PYI019
        """|async_context_manager| :meth:`initializes <initialize>` the App.
@@ -516,6 +517,7 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica
                await self._add_ch_to_persistence(handler)

        self._initialized = True
+        self.__stop_running_marker.clear()

    async def _add_ch_to_persistence(self, handler: "ConversationHandler") -> None:
        self._conversation_handler_conversations.update(
@@ -670,14 +672,26 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica
            raise RuntimeError("This Application is not running!")

        self._running = False
+        self.__stop_running_marker.clear()
        _LOGGER.info("Application is stopping. This might take a moment.")

        # Stop listening for new updates and handle all pending ones
-        await self.update_queue.put(_STOP_SIGNAL)
-        _LOGGER.debug("Waiting for update_queue to join")
-        await self.update_queue.join()
        if self.__update_fetcher_task:
-            await self.__update_fetcher_task
+            if self.__update_fetcher_task.done():
+                try:
+                    self.__update_fetcher_task.result()
+                except BaseException as exc:
+                    _LOGGER.critical(
+                        "Fetching updates was aborted due to %r. Suppressing "
+                        "exception to ensure graceful shutdown.",
+                        exc,
+                        exc_info=True,
+                    )
+            else:
+                await self.update_queue.put(_STOP_SIGNAL)
+                _LOGGER.debug("Waiting for update_queue to join")
+                await self.update_queue.join()
+                await self.__update_fetcher_task
        _LOGGER.debug("Application stopped fetching of updates.")

        if self._job_queue:
@@ -703,17 +717,36 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica
        shutdown of the application, i.e. the methods listed in :attr:`run_polling` and
        :attr:`run_webhook` will still be executed.

+        This method can also be called within :meth:`post_init`. This allows for a graceful,
+        early shutdown of the application if some condition is met (e.g., a database connection
+        could not be established).
+
        Note:
-            If the application is not running, this method does nothing.
+            If the application is not running and this method is not called within
+            :meth:`post_init`, this method does nothing.
+
+        Warning:
+            This method is designed to for use in combination with :meth:`run_polling` or
+            :meth:`run_webhook`. Using this method in combination with a custom logic for starting
+            and stopping the application is not guaranteed to work as expected. Use at your own
+            risk.

        .. versionadded:: 20.5
+
+        .. versionchanged:: 21.2
+            Added support for calling within :meth:`post_init`.
        """
        if self.running:
            # This works because `__run` is using `loop.run_forever()`. If that changes, this
            # method needs to be adapted.
            asyncio.get_running_loop().stop()
        else:
-            _LOGGER.debug("Application is not running, stop_running() does nothing.")
+            self.__stop_running_marker.set()
+            if not self._initialized:
+                _LOGGER.debug(
+                    "Application is not running and not initialized. `stop_running()` likely has "
+                    "no effect."
+                )

    def run_polling(
        self,
@@ -733,9 +766,7 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica
        polling updates from Telegram using :meth:`telegram.ext.Updater.start_polling` and
        a graceful shutdown of the app on exit.

-        The app will shut down when :exc:`KeyboardInterrupt` or :exc:`SystemExit` is raised.
-        On unix, the app will also shut down on receiving the signals specified by
-        :paramref:`stop_signals`.
+        |app_run_shutdown| :paramref:`stop_signals`.

        The order of execution by :meth:`run_polling` is roughly as follows:

@@ -826,9 +857,11 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica

        if (read_timeout, write_timeout, connect_timeout, pool_timeout) != ((DEFAULT_NONE,) * 4):
            warn(
-                "Setting timeouts via `Application.run_polling` is deprecated. "
-                "Please use `ApplicationBuilder.get_updates_*_timeout` instead.",
-                PTBDeprecationWarning,
+                PTBDeprecationWarning(
+                    "20.6",
+                    "Setting timeouts via `Application.run_polling` is deprecated. "
+                    "Please use `ApplicationBuilder.get_updates_*_timeout` instead.",
+                ),
                stacklevel=2,
            )

@@ -874,9 +907,7 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica
        listening for updates from Telegram using :meth:`telegram.ext.Updater.start_webhook` and
        a graceful shutdown of the app on exit.

-        The app will shut down when :exc:`KeyboardInterrupt` or :exc:`SystemExit` is raised.
-        On unix, the app will also shut down on receiving the signals specified by
-        :paramref:`stop_signals`.
+        |app_run_shutdown| :paramref:`stop_signals`.

        If :paramref:`cert`
        and :paramref:`key` are not provided, the webhook will be started directly on
@@ -1038,25 +1069,28 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica
            loop.run_until_complete(self.initialize())
            if self.post_init:
                loop.run_until_complete(self.post_init(self))
+            if self.__stop_running_marker.is_set():
+                _LOGGER.info("Application received stop signal via `stop_running`. Shutting down.")
+                return
            loop.run_until_complete(updater_coroutine)  # one of updater.start_webhook/polling
            loop.run_until_complete(self.start())
            loop.run_forever()
        except (KeyboardInterrupt, SystemExit):
            _LOGGER.debug("Application received stop signal. Shutting down.")
-        except Exception as exc:
-            # In case the coroutine wasn't awaited, we don't need to bother the user with a warning
-            updater_coroutine.close()
-            raise exc
        finally:
            # We arrive here either by catching the exceptions above or if the loop gets stopped
+            # In case the coroutine wasn't awaited, we don't need to bother the user with a warning
+            updater_coroutine.close()
+
            try:
                # Mypy doesn't know that we already check if updater is None
                if self.updater.running:  # type: ignore[union-attr]
                    loop.run_until_complete(self.updater.stop())  # type: ignore[union-attr]
                if self.running:
                    loop.run_until_complete(self.stop())
-                if self.post_stop:
-                    loop.run_until_complete(self.post_stop(self))
+                    # post_stop should be called only if stop was called!
+                    if self.post_stop:
+                        loop.run_until_complete(self.post_stop(self))
                loop.run_until_complete(self.shutdown())
                if self.post_shutdown:
                    loop.run_until_complete(self.post_shutdown(self))
@@ -1151,9 +1185,11 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica
            # Generator-based coroutines are not supported in Python 3.12+
            if sys.version_info < (3, 12) and isinstance(coroutine, Generator):
                warn(
-                    "Generator-based coroutines are deprecated in create_task and will not work"
-                    " in Python 3.12+",
-                    category=PTBDeprecationWarning,
+                    PTBDeprecationWarning(
+                        "20.4",
+                        "Generator-based coroutines are deprecated in create_task and will not"
+                        " work in Python 3.12+",
+                    ),
                )
                return await asyncio.create_task(coroutine)
            # If user uses generator in python 3.12+, Exception will happen and we cannot do
@@ -1185,45 +1221,44 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica
        finally:
            self._mark_for_persistence_update(update=update)

-    async def _update_fetcher(self) -> None:
+    async def __update_fetcher(self) -> None:
        # Continuously fetch updates from the queue. Exit only once the signal object is found.
        while True:
-            try:
-                update = await self.update_queue.get()
+            update = await self.update_queue.get()

-                if update is _STOP_SIGNAL:
-                    _LOGGER.debug("Dropping pending updates")
-                    while not self.update_queue.empty():
-                        self.update_queue.task_done()
+            if update is _STOP_SIGNAL:
+                # For the _STOP_SIGNAL
+                self.update_queue.task_done()
+                return

-                    # For the _STOP_SIGNAL
-                    self.update_queue.task_done()
-                    return
+            _LOGGER.debug("Processing update %s", update)

-                _LOGGER.debug("Processing update %s", update)
-
-                if self._update_processor.max_concurrent_updates > 1:
-                    # We don't await the below because it has to be run concurrently
-                    self.create_task(
-                        self.__process_update_wrapper(update),
-                        update=update,
-                        name=f"Application:{self.bot.id}:process_concurrent_update",
-                    )
-                else:
-                    await self.__process_update_wrapper(update)
-
-            except asyncio.CancelledError:
-                # This may happen if the application is manually run via application.start() and
-                # then a KeyboardInterrupt is sent. We must prevent this loop to die since
-                # application.stop() will wait for it's clean shutdown.
-                _LOGGER.warning(
-                    "Fetching updates got a asyncio.CancelledError. Ignoring as this task may only"
-                    "be closed via `Application.stop`."
+            if self._update_processor.max_concurrent_updates > 1:
+                # We don't await the below because it has to be run concurrently
+                self.create_task(
+                    self.__process_update_wrapper(update),
+                    update=update,
+                    name=f"Application:{self.bot.id}:process_concurrent_update",
                )
+            else:
+                await self.__process_update_wrapper(update)
+
+    async def _update_fetcher(self) -> None:
+        try:
+            await self.__update_fetcher()
+        finally:
+            while not self.update_queue.empty():
+                _LOGGER.debug("Dropping pending update: %s", self.update_queue.get_nowait())
+                with contextlib.suppress(ValueError):
+                    # Since we're shutting down here, it's not too bad if we call task_done
+                    # on an empty queue
+                    self.update_queue.task_done()

    async def __process_update_wrapper(self, update: object) -> None:
-        await self._update_processor.process_update(update, self.process_update(update))
-        self.update_queue.task_done()
+        try:
+            await self._update_processor.process_update(update, self.process_update(update))
+        finally:
+            self.update_queue.task_done()

    async def process_update(self, update: object) -> None:
        """Processes a single update and marks the update to be updated by the persistence later.
@@ -1252,30 +1287,43 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica
            try:
                for handler in handlers:
                    check = handler.check_update(update)  # Should the handler handle this update?
-                    if not (check is None or check is False):  # if yes,
-                        if not context:  # build a context if not already built
-                            context = self.context_types.context.from_update(update, self)
-                            await context.refresh_data()
-                        coroutine: Coroutine = handler.handle_update(update, self, check, context)
+                    if check is None or check is False:
+                        continue

-                        if not handler.block or (  # if handler is running with block=False,
-                            handler.block is DEFAULT_TRUE
-                            and isinstance(self.bot, ExtBot)
-                            and self.bot.defaults
-                            and not self.bot.defaults.block
-                        ):
-                            self.create_task(
-                                coroutine,
-                                update=update,
-                                name=(
-                                    f"Application:{self.bot.id}:process_update_non_blocking"
-                                    f":{handler}"
+                    if not context:  # build a context if not already built
+                        try:
+                            context = self.context_types.context.from_update(update, self)
+                        except Exception as exc:
+                            _LOGGER.critical(
+                                (
+                                    "Error while building CallbackContext for update %s. "
+                                    "Update will not be processed."
                                ),
+                                update,
+                                exc_info=exc,
                            )
-                        else:
-                            any_blocking = True
-                            await coroutine
-                        break  # Only a max of 1 handler per group is handled
+                            return
+                        await context.refresh_data()
+                    coroutine: Coroutine = handler.handle_update(update, self, check, context)
+
+                    if not handler.block or (  # if handler is running with block=False,
+                        handler.block is DEFAULT_TRUE
+                        and isinstance(self.bot, ExtBot)
+                        and self.bot.defaults
+                        and not self.bot.defaults.block
+                    ):
+                        self.create_task(
+                            coroutine,
+                            update=update,
+                            name=(
+                                f"Application:{self.bot.id}:process_update_non_blocking"
+                                f":{handler}"
+                            ),
+                        )
+                    else:
+                        any_blocking = True
+                        await coroutine
+                    break  # Only a max of 1 handler per group is handled

            # Stop processing with any other handler.
            except ApplicationHandlerStop:
@@ -1809,13 +1857,25 @@ class Application(Generic[BT, CCT, UD, CD, BD, JQ], AsyncContextManager["Applica
                callback,
                block,
            ) in self.error_handlers.items():
-                context = self.context_types.context.from_error(
-                    update=update,
-                    error=error,
-                    application=self,
-                    job=job,
-                    coroutine=coroutine,
-                )
+                try:
+                    context = self.context_types.context.from_error(
+                        update=update,
+                        error=error,
+                        application=self,
+                        job=job,
+                        coroutine=coroutine,
+                    )
+                except Exception as exc:
+                    _LOGGER.critical(
+                        (
+                            "Error while building CallbackContext for exception %s. "
+                            "Exception will not be processed by error handlers."
+                        ),
+                        error,
+                        exc_info=exc,
+                    )
+                    return False
+
                if not block or (  # If error handler has `block=False`, create a Task to run cb
                    block is DEFAULT_TRUE
                    and isinstance(self.bot, ExtBot)
@@ -528,9 +528,11 @@ class ApplicationBuilder(Generic[BT, CCT, UD, CD, BD, JQ]):
            :class:`ApplicationBuilder`: The same builder with the updated argument.
        """
        warn(
-            "`ApplicationBuilder.proxy_url` is deprecated since version "
-            "20.7. Use `ApplicationBuilder.proxy` instead.",
-            PTBDeprecationWarning,
+            PTBDeprecationWarning(
+                "20.7",
+                "`ApplicationBuilder.proxy_url` is deprecated. Use `ApplicationBuilder.proxy` "
+                "instead.",
+            ),
            stacklevel=2,
        )
        return self.proxy(proxy_url)
@@ -760,9 +762,11 @@ class ApplicationBuilder(Generic[BT, CCT, UD, CD, BD, JQ]):
            :class:`ApplicationBuilder`: The same builder with the updated argument.
        """
        warn(
-            "`ApplicationBuilder.get_updates_proxy_url` is deprecated since version "
-            "20.7. Use `ApplicationBuilder.get_updates_proxy` instead.",
-            PTBDeprecationWarning,
+            PTBDeprecationWarning(
+                "20.7",
+                "`ApplicationBuilder.get_updates_proxy_url` is deprecated. Use "
+                "`ApplicationBuilder.get_updates_proxy` instead.",
+            ),
            stacklevel=2,
        )
        return self.get_updates_proxy(get_updates_proxy_url)
@@ -1334,7 +1338,13 @@ class ApplicationBuilder(Generic[BT, CCT, UD, CD, BD, JQ]):

        Tip:
            This can be used for custom stop logic that requires to await coroutines, e.g.
-            sending message to a chat before shutting down the bot
+            sending message to a chat before shutting down the bot.
+
+        Hint:
+            The callback will be called only, if :meth:`Application.stop` was indeed called
+            successfully. For example, if the application is stopped early by calling
+            :meth:`Application.stop_running` within :meth:`post_init`, then the set callback will
+            *not* be called.

        Example:
            .. code::
@@ -163,7 +163,7 @@ class BasePersistence(Generic[UD, CD, BD], ABC):
        return self._update_interval

    @update_interval.setter
-    def update_interval(self, value: object) -> NoReturn:
+    def update_interval(self, _: object) -> NoReturn:
        raise AttributeError(
            "You can not assign a new value to update_interval after initialization."
        )
@@ -165,7 +165,7 @@ class SimpleUpdateProcessor(BaseUpdateProcessor):

    async def do_process_update(
        self,
-        update: object,
+        update: object,  # noqa: ARG002
        coroutine: "Awaitable[Any]",
    ) -> None:
        """Immediately awaits the coroutine, i.e. does not apply any additional processing.
@@ -165,7 +165,7 @@ class CallbackContext(Generic[BT, UD, CD, BD]):
        return self.application.bot_data

    @bot_data.setter
-    def bot_data(self, value: object) -> NoReturn:
+    def bot_data(self, _: object) -> NoReturn:
        raise AttributeError(
            f"You can not assign a new value to bot_data, see {_STORING_DATA_WIKI}"
        )
@@ -192,7 +192,7 @@ class CallbackContext(Generic[BT, UD, CD, BD]):
        return None

    @chat_data.setter
-    def chat_data(self, value: object) -> NoReturn:
+    def chat_data(self, _: object) -> NoReturn:
        raise AttributeError(
            f"You can not assign a new value to chat_data, see {_STORING_DATA_WIKI}"
        )
@@ -214,7 +214,7 @@ class CallbackContext(Generic[BT, UD, CD, BD]):
        return None

    @user_data.setter
-    def user_data(self, value: object) -> NoReturn:
+    def user_data(self, _: object) -> NoReturn:
        raise AttributeError(
            f"You can not assign a new value to user_data, see {_STORING_DATA_WIKI}"
        )
@@ -156,9 +156,11 @@ class Defaults:
            raise ValueError("`quote` and `do_quote` are mutually exclusive")
        if disable_web_page_preview is not None:
            warn(
-                "`Defaults.disable_web_page_preview` is deprecated. Use "
-                "`Defaults.link_preview_options` instead.",
-                category=PTBDeprecationWarning,
+                PTBDeprecationWarning(
+                    "20.8",
+                    "`Defaults.disable_web_page_preview` is deprecated. Use "
+                    "`Defaults.link_preview_options` instead.",
+                ),
                stacklevel=2,
            )
            self._link_preview_options: Optional[LinkPreviewOptions] = LinkPreviewOptions(
@@ -169,8 +171,9 @@ class Defaults:

        if quote is not None:
            warn(
-                "`Defaults.quote` is deprecated. Use `Defaults.do_quote` instead.",
-                category=PTBDeprecationWarning,
+                PTBDeprecationWarning(
+                    "20.8", "`Defaults.quote` is deprecated. Use `Defaults.do_quote` instead."
+                ),
                stacklevel=2,
            )
            self._do_quote: Optional[bool] = quote
@@ -179,13 +182,14 @@ class Defaults:
        # Gather all defaults that actually have a default value
        self._api_defaults = {}
        for kwarg in (
-            "parse_mode",
-            "explanation_parse_mode",
-            "disable_notification",
            "allow_sending_without_reply",
-            "protect_content",
-            "link_preview_options",
+            "disable_notification",
            "do_quote",
+            "explanation_parse_mode",
+            "link_preview_options",
+            "parse_mode",
+            "protect_content",
+            "question_parse_mode",
        ):
            value = getattr(self, kwarg)
            if value is not None:
@@ -235,7 +239,7 @@ class Defaults:
        return self._parse_mode

    @parse_mode.setter
-    def parse_mode(self, value: object) -> NoReturn:
+    def parse_mode(self, _: object) -> NoReturn:
        raise AttributeError("You can not assign a new value to parse_mode after initialization.")

    @property
@@ -246,7 +250,7 @@ class Defaults:
        return self._parse_mode

    @explanation_parse_mode.setter
-    def explanation_parse_mode(self, value: object) -> NoReturn:
+    def explanation_parse_mode(self, _: object) -> NoReturn:
        raise AttributeError(
            "You can not assign a new value to explanation_parse_mode after initialization."
        )
@@ -259,11 +263,41 @@ class Defaults:
        return self._parse_mode

    @quote_parse_mode.setter
-    def quote_parse_mode(self, value: object) -> NoReturn:
+    def quote_parse_mode(self, _: object) -> NoReturn:
        raise AttributeError(
            "You can not assign a new value to quote_parse_mode after initialization."
        )

+    @property
+    def text_parse_mode(self) -> Optional[str]:
+        """:obj:`str`: Optional. Alias for :attr:`parse_mode`, used for
+        the corresponding parameter of :class:`telegram.InputPollOption`.
+
+        .. versionadded:: 21.2
+        """
+        return self._parse_mode
+
+    @text_parse_mode.setter
+    def text_parse_mode(self, _: object) -> NoReturn:
+        raise AttributeError(
+            "You can not assign a new value to text_parse_mode after initialization."
+        )
+
+    @property
+    def question_parse_mode(self) -> Optional[str]:
+        """:obj:`str`: Optional. Alias for :attr:`parse_mode`, used for
+        the corresponding parameter of :meth:`telegram.Bot.send_poll`.
+
+        .. versionadded:: 21.2
+        """
+        return self._parse_mode
+
+    @question_parse_mode.setter
+    def question_parse_mode(self, _: object) -> NoReturn:
+        raise AttributeError(
+            "You can not assign a new value to question_parse_mode after initialization."
+        )
+
    @property
    def disable_notification(self) -> Optional[bool]:
        """:obj:`bool`: Optional. Sends the message silently. Users will
@@ -272,7 +306,7 @@ class Defaults:
        return self._disable_notification

    @disable_notification.setter
-    def disable_notification(self, value: object) -> NoReturn:
+    def disable_notification(self, _: object) -> NoReturn:
        raise AttributeError(
            "You can not assign a new value to disable_notification after initialization."
        )
@@ -289,7 +323,7 @@ class Defaults:
        return self._link_preview_options.is_disabled if self._link_preview_options else None

    @disable_web_page_preview.setter
-    def disable_web_page_preview(self, value: object) -> NoReturn:
+    def disable_web_page_preview(self, _: object) -> NoReturn:
        raise AttributeError(
            "You can not assign a new value to disable_web_page_preview after initialization."
        )
@@ -302,7 +336,7 @@ class Defaults:
        return self._allow_sending_without_reply

    @allow_sending_without_reply.setter
-    def allow_sending_without_reply(self, value: object) -> NoReturn:
+    def allow_sending_without_reply(self, _: object) -> NoReturn:
        raise AttributeError(
            "You can not assign a new value to allow_sending_without_reply after initialization."
        )
@@ -318,7 +352,7 @@ class Defaults:
        return self._do_quote if self._do_quote is not None else None

    @quote.setter
-    def quote(self, value: object) -> NoReturn:
+    def quote(self, _: object) -> NoReturn:
        raise AttributeError("You can not assign a new value to quote after initialization.")

    @property
@@ -329,7 +363,7 @@ class Defaults:
        return self._tzinfo

    @tzinfo.setter
-    def tzinfo(self, value: object) -> NoReturn:
+    def tzinfo(self, _: object) -> NoReturn:
        raise AttributeError("You can not assign a new value to tzinfo after initialization.")

    @property
@@ -341,7 +375,7 @@ class Defaults:
        return self._block

    @block.setter
-    def block(self, value: object) -> NoReturn:
+    def block(self, _: object) -> NoReturn:
        raise AttributeError("You can not assign a new value to block after initialization.")

    @property
@@ -354,7 +388,7 @@ class Defaults:
        return self._protect_content

    @protect_content.setter
-    def protect_content(self, value: object) -> NoReturn:
+    def protect_content(self, _: object) -> NoReturn:
        raise AttributeError(
            "You can't assign a new value to protect_content after initialization."
        )
@@ -50,8 +50,8 @@ from telegram import (
    BotShortDescription,
    BusinessConnection,
    CallbackQuery,
-    Chat,
    ChatAdministratorRights,
+    ChatFullInfo,
    ChatInviteLink,
    ChatMember,
    ChatPermissions,
@@ -64,6 +64,7 @@ from telegram import (
    InlineKeyboardMarkup,
    InlineQueryResultsButton,
    InputMedia,
+    InputPollOption,
    LinkPreviewOptions,
    Location,
    MaskPosition,
@@ -113,7 +114,7 @@ if TYPE_CHECKING:
    )
    from telegram.ext import BaseRateLimiter, Defaults

-HandledTypes = TypeVar("HandledTypes", bound=Union[Message, CallbackQuery, Chat])
+HandledTypes = TypeVar("HandledTypes", bound=Union[Message, CallbackQuery, ChatFullInfo])
 KT = TypeVar("KT", bound=ReplyMarkup)


@@ -262,7 +263,10 @@ class ExtBot(Bot, Generic[RLARGS]):

    @classmethod
    def _warn(
-        cls, message: str, category: Type[Warning] = PTBUserWarning, stacklevel: int = 0
+        cls,
+        message: Union[str, PTBUserWarning],
+        category: Type[Warning] = PTBUserWarning,
+        stacklevel: int = 0,
    ) -> None:
        """We override this method to add one more level to the stacklevel, so that the warning
        points to the user's code, not to the PTB code.
@@ -436,6 +440,7 @@ class ExtBot(Bot, Generic[RLARGS]):
        # 3) set the correct parse_mode for all InputMedia objects
        # 4) handle the LinkPreviewOptions case (see below)
        # 5) handle the ReplyParameters case (see below)
+        # 6) handle text_parse_mode in InputPollOption
        for key, val in data.items():
            # 1)
            if isinstance(val, DefaultValue):
@@ -487,6 +492,21 @@ class ExtBot(Bot, Generic[RLARGS]):

                data[key] = new_value

+            # 6)
+            elif isinstance(val, Sequence) and all(
+                isinstance(obj, InputPollOption) for obj in val
+            ):
+                new_val = []
+                for option in val:
+                    if not isinstance(option.text_parse_mode, DefaultValue):
+                        new_val.append(option)
+                    else:
+                        new_option = copy(option)
+                        with new_option._unfrozen():
+                            new_option.text_parse_mode = self.defaults.text_parse_mode
+                        new_val.append(new_option)
+                data[key] = new_val
+
    def _replace_keyboard(self, reply_markup: Optional[KT]) -> Optional[KT]:
        # If the reply_markup is an inline keyboard and we allow arbitrary callback data, let the
        # CallbackDataCache build a new keyboard with the data replaced. Otherwise return the input
@@ -554,7 +574,7 @@ class ExtBot(Bot, Generic[RLARGS]):
            self.callback_data_cache.process_message(message=obj)
            return obj  # type: ignore[return-value]

-        if isinstance(obj, Chat) and obj.pinned_message:
+        if isinstance(obj, ChatFullInfo) and obj.pinned_message:
            self.callback_data_cache.process_message(obj.pinned_message)

        return obj
@@ -853,7 +873,7 @@ class ExtBot(Bot, Generic[RLARGS]):
        pool_timeout: ODVInput[float] = DEFAULT_NONE,
        api_kwargs: Optional[JSONDict] = None,
        rate_limit_args: Optional[RLARGS] = None,
-    ) -> Chat:
+    ) -> ChatFullInfo:
        # We override this method to call self._insert_callback_data
        result = await super().get_chat(
            chat_id=chat_id,
@@ -1185,7 +1205,6 @@ class ExtBot(Bot, Generic[RLARGS]):
        name: str,
        title: str,
        stickers: Sequence["InputSticker"],
-        sticker_format: Optional[str] = None,
        sticker_type: Optional[str] = None,
        needs_repainting: Optional[bool] = None,
        *,
@@ -1201,7 +1220,6 @@ class ExtBot(Bot, Generic[RLARGS]):
            name=name,
            title=title,
            stickers=stickers,
-            sticker_format=sticker_format,
            sticker_type=sticker_type,
            needs_repainting=needs_repainting,
            read_timeout=read_timeout,
@@ -1522,6 +1540,7 @@ class ExtBot(Bot, Generic[RLARGS]):
        horizontal_accuracy: Optional[float] = None,
        heading: Optional[int] = None,
        proximity_alert_radius: Optional[int] = None,
+        live_period: Optional[int] = None,
        *,
        location: Optional[Location] = None,
        read_timeout: ODVInput[float] = DEFAULT_NONE,
@@ -1541,6 +1560,7 @@ class ExtBot(Bot, Generic[RLARGS]):
            horizontal_accuracy=horizontal_accuracy,
            heading=heading,
            proximity_alert_radius=proximity_alert_radius,
+            live_period=live_period,
            location=location,
            read_timeout=read_timeout,
            write_timeout=write_timeout,
@@ -2917,7 +2937,7 @@ class ExtBot(Bot, Generic[RLARGS]):
        self,
        chat_id: Union[int, str],
        question: str,
-        options: Sequence[str],
+        options: Sequence[Union[str, "InputPollOption"]],
        is_anonymous: Optional[bool] = None,
        type: Optional[str] = None,  # pylint: disable=redefined-builtin
        allows_multiple_answers: Optional[bool] = None,
@@ -2934,6 +2954,8 @@ class ExtBot(Bot, Generic[RLARGS]):
        message_thread_id: Optional[int] = None,
        reply_parameters: Optional["ReplyParameters"] = None,
        business_connection_id: Optional[str] = None,
+        question_parse_mode: ODVInput[str] = DEFAULT_NONE,
+        question_entities: Optional[Sequence["MessageEntity"]] = None,
        *,
        reply_to_message_id: Optional[int] = None,
        allow_sending_without_reply: ODVInput[bool] = DEFAULT_NONE,
@@ -2971,6 +2993,8 @@ class ExtBot(Bot, Generic[RLARGS]):
            connect_timeout=connect_timeout,
            pool_timeout=pool_timeout,
            api_kwargs=self._merge_api_rl_kwargs(api_kwargs, rate_limit_args),
+            question_parse_mode=question_parse_mode,
+            question_entities=question_entities,
        )

    async def send_sticker(
@@ -159,8 +159,8 @@ class CallbackQueryHandler(BaseHandler[Update, CCT]):
    def collect_additional_context(
        self,
        context: CCT,
-        update: Update,
-        application: "Application[Any, CCT, Any, Any, Any, Any]",
+        update: Update,  # noqa: ARG002
+        application: "Application[Any, CCT, Any, Any, Any, Any]",  # noqa: ARG002
        check_result: Union[bool, Match[str]],
    ) -> None:
        """Add the result of ``re.match(pattern, update.callback_query.data)`` to
@@ -109,8 +109,8 @@ class ChosenInlineResultHandler(BaseHandler[Update, CCT]):
    def collect_additional_context(
        self,
        context: CCT,
-        update: Update,
-        application: "Application[Any, CCT, Any, Any, Any, Any]",
+        update: Update,  # noqa: ARG002
+        application: "Application[Any, CCT, Any, Any, Any, Any]",  # noqa: ARG002
        check_result: Union[bool, Match[str]],
    ) -> None:
        """This function adds the matched regex pattern result to
@@ -152,7 +152,6 @@ class CommandHandler(BaseHandler[Update, CCT]):
        Returns:
            :obj:`bool`: Whether the args are valid for this handler.
        """
-        # pylint: disable=too-many-boolean-expressions
        return bool(
            (self.has_args is None)
            or (self.has_args is True and args)
@@ -205,8 +204,8 @@ class CommandHandler(BaseHandler[Update, CCT]):
    def collect_additional_context(
        self,
        context: CCT,
-        update: Update,
-        application: "Application[Any, CCT, Any, Any, Any, Any]",
+        update: Update,  # noqa: ARG002
+        application: "Application[Any, CCT, Any, Any, Any, Any]",  # noqa: ARG002
        check_result: Optional[Union[bool, Tuple[List[str], Optional[bool]]]],
    ) -> None:
        """Add text after the command to :attr:`CallbackContext.args` as list, split on single
@@ -473,7 +473,7 @@ class ConversationHandler(BaseHandler[Update, CCT]):
        return self._entry_points

    @entry_points.setter
-    def entry_points(self, value: object) -> NoReturn:
+    def entry_points(self, _: object) -> NoReturn:
        raise AttributeError(
            "You can not assign a new value to entry_points after initialization."
        )
@@ -487,7 +487,7 @@ class ConversationHandler(BaseHandler[Update, CCT]):
        return self._states

    @states.setter
-    def states(self, value: object) -> NoReturn:
+    def states(self, _: object) -> NoReturn:
        raise AttributeError("You can not assign a new value to states after initialization.")

    @property
@@ -499,7 +499,7 @@ class ConversationHandler(BaseHandler[Update, CCT]):
        return self._fallbacks

    @fallbacks.setter
-    def fallbacks(self, value: object) -> NoReturn:
+    def fallbacks(self, _: object) -> NoReturn:
        raise AttributeError("You can not assign a new value to fallbacks after initialization.")

    @property
@@ -508,7 +508,7 @@ class ConversationHandler(BaseHandler[Update, CCT]):
        return self._allow_reentry

    @allow_reentry.setter
-    def allow_reentry(self, value: object) -> NoReturn:
+    def allow_reentry(self, _: object) -> NoReturn:
        raise AttributeError(
            "You can not assign a new value to allow_reentry after initialization."
        )
@@ -519,7 +519,7 @@ class ConversationHandler(BaseHandler[Update, CCT]):
        return self._per_user

    @per_user.setter
-    def per_user(self, value: object) -> NoReturn:
+    def per_user(self, _: object) -> NoReturn:
        raise AttributeError("You can not assign a new value to per_user after initialization.")

    @property
@@ -528,7 +528,7 @@ class ConversationHandler(BaseHandler[Update, CCT]):
        return self._per_chat

    @per_chat.setter
-    def per_chat(self, value: object) -> NoReturn:
+    def per_chat(self, _: object) -> NoReturn:
        raise AttributeError("You can not assign a new value to per_chat after initialization.")

    @property
@@ -537,7 +537,7 @@ class ConversationHandler(BaseHandler[Update, CCT]):
        return self._per_message

    @per_message.setter
-    def per_message(self, value: object) -> NoReturn:
+    def per_message(self, _: object) -> NoReturn:
        raise AttributeError("You can not assign a new value to per_message after initialization.")

    @property
@@ -551,7 +551,7 @@ class ConversationHandler(BaseHandler[Update, CCT]):
        return self._conversation_timeout

    @conversation_timeout.setter
-    def conversation_timeout(self, value: object) -> NoReturn:
+    def conversation_timeout(self, _: object) -> NoReturn:
        raise AttributeError(
            "You can not assign a new value to conversation_timeout after initialization."
        )
@@ -562,7 +562,7 @@ class ConversationHandler(BaseHandler[Update, CCT]):
        return self._name

    @name.setter
-    def name(self, value: object) -> NoReturn:
+    def name(self, _: object) -> NoReturn:
        raise AttributeError("You can not assign a new value to name after initialization.")

    @property
@@ -574,7 +574,7 @@ class ConversationHandler(BaseHandler[Update, CCT]):
        return self._persistent

    @persistent.setter
-    def persistent(self, value: object) -> NoReturn:
+    def persistent(self, _: object) -> NoReturn:
        raise AttributeError("You can not assign a new value to persistent after initialization.")

    @property
@@ -586,7 +586,7 @@ class ConversationHandler(BaseHandler[Update, CCT]):
        return self._map_to_parent

    @map_to_parent.setter
-    def map_to_parent(self, value: object) -> NoReturn:
+    def map_to_parent(self, _: object) -> NoReturn:
        raise AttributeError(
            "You can not assign a new value to map_to_parent after initialization."
        )
@@ -130,8 +130,8 @@ class InlineQueryHandler(BaseHandler[Update, CCT]):
    def collect_additional_context(
        self,
        context: CCT,
-        update: Update,
-        application: "Application[Any, CCT, Any, Any, Any, Any]",
+        update: Update,  # noqa: ARG002
+        application: "Application[Any, CCT, Any, Any, Any, Any]",  # noqa: ARG002
        check_result: Optional[Union[bool, Match[str]]],
    ) -> None:
        """Add the result of ``re.match(pattern, update.inline_query.query)`` to
@@ -102,8 +102,8 @@ class MessageHandler(BaseHandler[Update, CCT]):
    def collect_additional_context(
        self,
        context: CCT,
-        update: Update,
-        application: "Application[Any, CCT, Any, Any, Any, Any]",
+        update: Update,  # noqa: ARG002
+        application: "Application[Any, CCT, Any, Any, Any, Any]",  # noqa: ARG002
        check_result: Optional[Union[bool, Dict[str, object]]],
    ) -> None:
        """Adds possible output of data filters to the :class:`CallbackContext`."""
@@ -171,8 +171,8 @@ class PrefixHandler(BaseHandler[Update, CCT]):
    def collect_additional_context(
        self,
        context: CCT,
-        update: Update,
-        application: "Application[Any, CCT, Any, Any, Any, Any]",
+        update: Update,  # noqa: ARG002
+        application: "Application[Any, CCT, Any, Any, Any, Any]",  # noqa: ARG002
        check_result: Optional[Union[bool, Tuple[List[str], Optional[bool]]]],
    ) -> None:
        """Add text after the command to :attr:`CallbackContext.args` as list, split on single
@@ -49,7 +49,7 @@ class StringCommandHandler(BaseHandler[str, CCT]):
            called when :meth:`check_update` has determined that an update should be processed by
            this handler. Callback signature::

-                async def callback(update: Update, context: CallbackContext)
+                async def callback(update: str, context: CallbackContext)

            The return value of the callback is usually ignored except for the special case of
            :class:`telegram.ext.ConversationHandler`.
@@ -98,8 +98,8 @@ class StringCommandHandler(BaseHandler[str, CCT]):
    def collect_additional_context(
        self,
        context: CCT,
-        update: str,
-        application: "Application[Any, CCT, Any, Any, Any, Any]",
+        update: str,  # noqa: ARG002
+        application: "Application[Any, CCT, Any, Any, Any, Any]",  # noqa: ARG002
        check_result: Optional[List[str]],
    ) -> None:
        """Add text after the command to :attr:`CallbackContext.args` as list, split on single
@@ -52,7 +52,7 @@ class StringRegexHandler(BaseHandler[str, CCT]):
            called when :meth:`check_update` has determined that an update should be processed by
            this handler. Callback signature::

-                async def callback(update: Update, context: CallbackContext)
+                async def callback(update: str, context: CallbackContext)

            The return value of the callback is usually ignored except for the special case of
            :class:`telegram.ext.ConversationHandler`.
@@ -103,8 +103,8 @@ class StringRegexHandler(BaseHandler[str, CCT]):
    def collect_additional_context(
        self,
        context: CCT,
-        update: str,
-        application: "Application[Any, CCT, Any, Any, Any, Any]",
+        update: str,  # noqa: ARG002
+        application: "Application[Any, CCT, Any, Any, Any, Any]",  # noqa: ARG002
        check_result: Optional[Match[str]],
    ) -> None:
        """Add the result of ``re.match(pattern, update)`` to :attr:`CallbackContext.matches` as
@@ -43,7 +43,7 @@ class TypeHandler(BaseHandler[UT, CCT]):
            called when :meth:`check_update` has determined that an update should be processed by
            this handler. Callback signature::

-                async def callback(update: Update, context: CallbackContext)
+                async def callback(update: object, context: CallbackContext)

            The return value of the callback is usually ignored except for the special case of
            :class:`telegram.ext.ConversationHandler`.
@@ -31,6 +31,7 @@ try:
 except ImportError:
    APS_AVAILABLE = False

+from telegram._utils.logging import get_logger
 from telegram._utils.repr import build_repr_with_selected_attrs
 from telegram._utils.types import JSONDict
 from telegram.ext._extbot import ExtBot
@@ -44,6 +45,7 @@ if TYPE_CHECKING:


 _ALL_DAYS = tuple(range(7))
+_LOGGER = get_logger(__name__, class_name="JobQueue")


 class JobQueue(Generic[CCT]):
@@ -953,7 +955,16 @@ class Job(Generic[CCT]):
        self, application: "Application[Any, CCT, Any, Any, Any, JobQueue[CCT]]"
    ) -> None:
        try:
-            context = application.context_types.context.from_job(self, application)
+            try:
+                context = application.context_types.context.from_job(self, application)
+            except Exception as exc:
+                _LOGGER.critical(
+                    "Error while building CallbackContext for job %s. Job will not be run.",
+                    self._job,
+                    exc_info=exc,
+                )
+                return
+
            await context.refresh_data()
            await self.callback(context)
        except Exception as exc:
@@ -289,7 +289,7 @@ class BaseFilter:
            :attr:`telegram.Update.edited_business_message`, or :obj:`False` otherwise.
        """
        return bool(  # Only message updates should be handled.
-            update.channel_post  # pylint: disable=too-many-boolean-expressions
+            update.channel_post
            or update.message
            or update.edited_channel_post
            or update.edited_message
@@ -401,7 +401,7 @@ class _InvertedFilter(UpdateFilter):
        return f"<inverted {self.inv_filter}>"

    @name.setter
-    def name(self, name: str) -> NoReturn:
+    def name(self, _: str) -> NoReturn:
        raise RuntimeError("Cannot set name for combined filters.")


@@ -492,7 +492,7 @@ class _MergedFilter(UpdateFilter):
        )

    @name.setter
-    def name(self, name: str) -> NoReturn:
+    def name(self, _: str) -> NoReturn:
        raise RuntimeError("Cannot set name for combined filters.")


@@ -522,14 +522,14 @@ class _XORFilter(UpdateFilter):
        return f"<{self.base_filter} xor {self.xor_filter}>"

    @name.setter
-    def name(self, name: str) -> NoReturn:
+    def name(self, _: str) -> NoReturn:
        raise RuntimeError("Cannot set name for combined filters.")


 class _All(MessageFilter):
    __slots__ = ()

-    def filter(self, message: Message) -> bool:
+    def filter(self, message: Message) -> bool:  # noqa: ARG002
        return True


@@ -809,7 +809,7 @@ class _ChatUserBaseFilter(MessageFilter, ABC):
        )

    @name.setter
-    def name(self, name: str) -> NoReturn:
+    def name(self, _: str) -> NoReturn:
        raise RuntimeError(f"Cannot set name for filters.{self.__class__.__name__}")


@@ -1909,7 +1909,8 @@ class StatusUpdate:
        def filter(self, update: Update) -> bool:
            return bool(
                # keep this alphabetically sorted for easier maintenance
-                StatusUpdate.CHAT_CREATED.check_update(update)
+                StatusUpdate.CHAT_BACKGROUND_SET.check_update(update)
+                or StatusUpdate.CHAT_CREATED.check_update(update)
                or StatusUpdate.CHAT_SHARED.check_update(update)
                or StatusUpdate.CONNECTED_WEBSITE.check_update(update)
                or StatusUpdate.DELETE_CHAT_PHOTO.check_update(update)
@@ -1942,6 +1943,15 @@ class StatusUpdate:
    ALL = _All(name="filters.StatusUpdate.ALL")
    """Messages that contain any of the below."""

+    class _ChatBackgroundSet(MessageFilter):
+        __slots__ = ()
+
+        def filter(self, message: Message) -> bool:
+            return bool(message.chat_background_set)
+
+    CHAT_BACKGROUND_SET = _ChatBackgroundSet(name="filters.StatusUpdate.CHAT_BACKGROUND_SET")
+    """Messages that contain :attr:`telegram.Message.chat_background_set`."""
+
    class _ChatCreated(MessageFilter):
        __slots__ = ()

@@ -318,10 +318,12 @@ class BaseRequest(
            and isinstance(write_timeout, DefaultValue)
        ):
            warn(
-                f"The `write_timeout` parameter passed to {self.__class__.__name__}.do_request "
-                "will default to `BaseRequest.DEFAULT_NONE` instead of 20 in future versions "
-                "for *all* methods of the `Bot` class, including methods sending media.",
-                PTBDeprecationWarning,
+                PTBDeprecationWarning(
+                    "20.7",
+                    f"The `write_timeout` parameter passed to {self.__class__.__name__}.do_request"
+                    " will default to `BaseRequest.DEFAULT_NONE` instead of 20 in future versions "
+                    "for *all* methods of the `Bot` class, including methods sending media.",
+                ),
                stacklevel=3,
            )
            write_timeout = 20
@@ -146,9 +146,9 @@ class HTTPXRequest(BaseRequest):
        if proxy_url is not None:
            proxy = proxy_url
            warn(
-                "The parameter `proxy_url` is deprecated since version 20.7. Use `proxy` "
-                "instead.",
-                PTBDeprecationWarning,
+                PTBDeprecationWarning(
+                    "20.7", "The parameter `proxy_url` is deprecated. Use `proxy` instead."
+                ),
                stacklevel=2,
            )

@@ -54,6 +54,34 @@ class PTBDeprecationWarning(PTBUserWarning, DeprecationWarning):

    .. versionchanged:: 20.0
       Renamed TelegramDeprecationWarning to PTBDeprecationWarning.
+
+    Args:
+        version (:obj:`str`): The version in which the feature was deprecated.
+
+            .. versionadded:: 21.2
+        message (:obj:`str`): The message to display.
+
+            .. versionadded:: 21.2
+
+    Attributes:
+        version (:obj:`str`): The version in which the feature was deprecated.
+
+            .. versionadded:: 21.2
+        message (:obj:`str`): The message to display.
+
+            .. versionadded:: 21.2
    """

-    __slots__ = ()
+    __slots__ = ("message", "version")
+
+    def __init__(self, version: str, message: str) -> None:
+        self.version: str = version
+        self.message: str = message
+
+    def __str__(self) -> str:
+        """Returns a string representation of the warning, using :attr:`message` and
+        :attr:`version`.
+
+        .. versionadded:: 21.2
+        """
+        return f"Deprecated since version {self.version}: {self.message}"
@@ -351,7 +351,7 @@ class TestAnimationWithRequest(TestAnimationBase):
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_animation(
                    chat_id, animation, reply_to_message_id=reply_to_message.message_id
                )
@@ -378,7 +378,7 @@ class TestAudioWithRequest(TestAudioBase):
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_audio(
                    chat_id, audio, reply_to_message_id=reply_to_message.message_id
                )
@@ -185,7 +185,7 @@ class TestContactWithRequest(TestContactBase):
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_contact(
                    chat_id, contact=contact, reply_to_message_id=reply_to_message.message_id
                )
@@ -364,7 +364,7 @@ class TestDocumentWithRequest(TestDocumentBase):
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_document(
                    chat_id, document, reply_to_message_id=reply_to_message.message_id
                )
@@ -873,7 +873,7 @@ class TestSendMediaGroupWithRequest:
            )
            assert [m.reply_to_message is None for m in messages]
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_media_group(
                    chat_id, media_group, reply_to_message_id=reply_to_message.message_id
                )
@@ -124,7 +124,8 @@ class TestLocationWithoutRequest(TestLocationBase):
            ha = data["horizontal_accuracy"] == "50"
            heading = data["heading"] == "90"
            prox_alert = data["proximity_alert_radius"] == "1000"
-            return lat and lon and id_ and ha and heading and prox_alert
+            live = data["live_period"] == "900"
+            return lat and lon and id_ and ha and heading and prox_alert and live

        monkeypatch.setattr(bot.request, "post", make_assertion)
        assert await bot.edit_message_live_location(
@@ -133,6 +134,7 @@ class TestLocationWithoutRequest(TestLocationBase):
            horizontal_accuracy=50,
            heading=90,
            proximity_alert_radius=1000,
+            live_period=900,
        )

    # TODO: Needs improvement with in inline sent live location.
@@ -218,7 +220,7 @@ class TestLocationWithRequest:
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_location(
                    chat_id, location=location, reply_to_message_id=reply_to_message.message_id
                )
@@ -262,6 +264,7 @@ class TestLocationWithRequest:
            horizontal_accuracy=30,
            heading=10,
            proximity_alert_radius=500,
+            live_period=200,
        )

        assert pytest.approx(message2.location.latitude, rel=1e-5) == 52.223098
@@ -269,6 +272,7 @@ class TestLocationWithRequest:
        assert message2.location.horizontal_accuracy == 30
        assert message2.location.heading == 10
        assert message2.location.proximity_alert_radius == 500
+        assert message2.location.live_period == 200

        await bot.stop_message_live_location(message.chat_id, message.message_id)
        with pytest.raises(BadRequest, match="Message can't be edited"):
@@ -384,7 +384,7 @@ class TestPhotoWithRequest(TestPhotoBase):
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_photo(
                    chat_id, photo_file, reply_to_message_id=reply_to_message.message_id
                )
@@ -39,7 +39,6 @@ from telegram import (
 from telegram.constants import ParseMode, StickerFormat, StickerType
 from telegram.error import BadRequest, TelegramError
 from telegram.request import RequestData
-from telegram.warnings import PTBDeprecationWarning
 from tests.auxil.bot_method_checks import (
    check_defaults_handling,
    check_shortcut_call,
@@ -457,7 +456,7 @@ class TestStickerWithRequest(TestStickerBase):
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_sticker(
                    chat_id, sticker, reply_to_message_id=reply_to_message.message_id
                )
@@ -714,7 +713,6 @@ class TestStickerSetWithoutRequest(TestStickerSetBase):
            assert data["name"] == "name"
            assert data["title"] == "title"
            assert data["stickers"] == ["wow.png", "wow.tgs", "wow.webp"]
-            assert data["sticker_format"] == "static"
            assert data["needs_repainting"] is True

        monkeypatch.setattr(bot, "_post", make_assertion)
@@ -723,7 +721,6 @@ class TestStickerSetWithoutRequest(TestStickerSetBase):
            "name",
            "title",
            stickers=["wow.png", "wow.tgs", "wow.webp"],
-            sticker_format=StickerFormat.STATIC,
            needs_repainting=True,
        )

@@ -784,27 +781,6 @@ class TestStickerSetWithoutRequest(TestStickerSetBase):
        monkeypatch.setattr(sticker.get_bot(), "get_file", make_assertion)
        assert await sticker.get_file()

-    async def test_create_new_sticker_set_format_arg_depr(
-        self, bot, chat_id, sticker_file, monkeypatch
-    ):
-        async def make_assertion(*_, **kwargs):
-            pass
-
-        monkeypatch.setattr(bot, "_post", make_assertion)
-        with pytest.warns(PTBDeprecationWarning, match="`sticker_format` is deprecated"):
-            await bot.create_new_sticker_set(
-                chat_id,
-                "name",
-                "title",
-                stickers=sticker_file,
-                sticker_format="static",
-            )
-
-    async def test_deprecation_creation_args(self, recwarn):
-        with pytest.warns(PTBDeprecationWarning, match="The parameters `is_animated` and ") as w:
-            StickerSet("name", "title", [], "static", is_animated=True)
-            assert w[0].filename == __file__, "wrong stacklevel!"
-

@pytest.mark.xdist_group("stickerset")
 class TestStickerSetWithRequest:
@@ -200,7 +200,7 @@ class TestVenueWithRequest(TestVenueBase):
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_venue(
                    chat_id, venue=venue, reply_to_message_id=reply_to_message.message_id
                )
@@ -386,7 +386,7 @@ class TestVideoWithRequest(TestVideoBase):
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_video(
                    chat_id, video, reply_to_message_id=reply_to_message.message_id
                )
@@ -287,7 +287,7 @@ class TestVideoNoteWithRequest(TestVideoNoteBase):
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_video_note(
                    chat_id, video_note, reply_to_message_id=reply_to_message.message_id
                )
@@ -335,7 +335,7 @@ class TestVoiceWithRequest(TestVoiceBase):
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_voice(
                    chat_id, voice, reply_to_message_id=reply_to_message.message_id
                )
@@ -312,7 +312,7 @@ class TestInvoiceWithRequest(TestInvoiceBase):
            )
            assert message.reply_to_message is None
        else:
-            with pytest.raises(BadRequest, match="Message to reply not found"):
+            with pytest.raises(BadRequest, match="Message to be replied not found"):
                await default_bot.send_invoice(
                    chat_id,
                    self.title,
@@ -314,6 +314,8 @@ def build_kwargs(
            elif name == "ok":
                kws["ok"] = False
                kws["error_message"] = "error"
+            elif name == "options":
+                kws[name] = ["option1", "option2"]
            else:
                kws[name] = True

@@ -19,6 +19,7 @@
 """The integration of persistence into the application is tested in test_basepersistence.
 """
 import asyncio
+import functools
 import inspect
 import logging
 import os
@@ -2083,75 +2084,174 @@ class TestApplication:
        assert set(self.received.keys()) == set(expected.keys())
        assert self.received == expected

-    @pytest.mark.skipif(
-        platform.system() == "Windows",
-        reason="Can't send signals without stopping whole process on windows",
-    )
-    async def test_cancellation_error_does_not_stop_polling(
-        self, one_time_bot, monkeypatch, caplog
+    @pytest.mark.parametrize("exception", [SystemExit, KeyboardInterrupt])
+    def test_raise_system_exit_keyboard_interrupt_post_init(
+        self, one_time_bot, monkeypatch, exception
    ):
-        """
-        Ensures that hitting CTRL+C while polling *without* run_polling doesn't kill
-        the update_fetcher loop such that a shutdown is still possible.
-        This test is far from perfect, but it's the closest we can come with sane effort.
-        """
+        async def post_init(application):
+            raise exception
+
+        called_callbacks = set()
+
+        async def callback(*args, **kwargs):
+            called_callbacks.add(kwargs["name"])
+
+        for cls, method, entry in [
+            (Application, "initialize", "app_initialize"),
+            (Application, "start", "app_start"),
+            (Application, "stop", "app_stop"),
+            (Application, "shutdown", "app_shutdown"),
+            (Updater, "initialize", "updater_initialize"),
+            (Updater, "shutdown", "updater_shutdown"),
+            (Updater, "stop", "updater_stop"),
+            (Updater, "start_polling", "updater_start_polling"),
+        ]:
+
+            def after(_, name):
+                called_callbacks.add(name)
+
+            monkeypatch.setattr(
+                cls,
+                method,
+                call_after(getattr(cls, method), functools.partial(after, name=entry)),
+            )
+
+        app = (
+            ApplicationBuilder()
+            .bot(one_time_bot)
+            .post_init(post_init)
+            .post_stop(functools.partial(callback, name="post_stop"))
+            .post_shutdown(functools.partial(callback, name="post_shutdown"))
+            .build()
+        )
+
+        app.run_polling(close_loop=False)
+
+        # This checks two things:
+        # 1. start/stop are *not* called!
+        # 2. we do have a graceful shutdown
+        assert called_callbacks == {
+            "app_initialize",
+            "updater_initialize",
+            "app_shutdown",
+            "post_shutdown",
+            "updater_shutdown",
+        }
+
+    @pytest.mark.parametrize("exception", [SystemExit("PTBTest"), KeyboardInterrupt("PTBTest")])
+    @pytest.mark.parametrize("kind", ["handler", "error_handler", "job"])
+    # @pytest.mark.parametrize("block", [True, False])
+    # Testing with block=False would be nice but that doesn't work well with pytest for some reason
+    # in any case, block=False is the simpler behavior since it is roughly similar to what happens
+    # when you hit CTRL+C in the commandline.
+    def test_raise_system_exit_keyboard_jobs_handlers(
+        self, one_time_bot, monkeypatch, exception, kind, caplog
+    ):
+        async def queue_and_raise(application):
+            await application.update_queue.put("will_not_be_processed")
+            raise exception
+
+        async def handler_callback(update, context):
+            if kind == "handler":
+                await queue_and_raise(context.application)
+            elif kind == "error_handler":
+                raise TelegramError("Triggering error callback")
+
+        async def error_callback(update, context):
+            await queue_and_raise(context.application)
+
+        async def job_callback(context):
+            await queue_and_raise(context.application)
+
+        async def enqueue_update():
+            await asyncio.sleep(0.5)
+            await app.update_queue.put(1)
+
+        async def post_init(application):
+            if kind == "job":
+                application.job_queue.run_once(when=0.5, callback=job_callback)
+            else:
+                app.create_task(enqueue_update())
+
+        async def update_logger_callback(update, context):
+            context.bot_data.setdefault("processed_updates", set()).add(update)
+
+        called_callbacks = set()
+
+        async def callback(*args, **kwargs):
+            called_callbacks.add(kwargs["name"])

        async def get_updates(*args, **kwargs):
            await asyncio.sleep(0)
-            return [None]
+            return []

-        monkeypatch.setattr(one_time_bot, "get_updates", get_updates)
-        app = ApplicationBuilder().bot(one_time_bot).build()
+        for cls, method, entry in [
+            (Application, "initialize", "app_initialize"),
+            (Application, "start", "app_start"),
+            (Application, "stop", "app_stop"),
+            (Application, "shutdown", "app_shutdown"),
+            (Updater, "initialize", "updater_initialize"),
+            (Updater, "shutdown", "updater_shutdown"),
+            (Updater, "stop", "updater_stop"),
+            (Updater, "start_polling", "updater_start_polling"),
+        ]:

-        original_get = app.update_queue.get
-        raise_cancelled_error = threading.Event()
+            def after(_, name):
+                called_callbacks.add(name)

-        async def get(*arg, **kwargs):
-            await asyncio.sleep(0.05)
-            if raise_cancelled_error.is_set():
-                raise_cancelled_error.clear()
-                raise asyncio.CancelledError("Mocked CancelledError")
-            return await original_get(*arg, **kwargs)
+            monkeypatch.setattr(
+                cls,
+                method,
+                call_after(getattr(cls, method), functools.partial(after, name=entry)),
+            )

-        monkeypatch.setattr(app.update_queue, "get", get)
-
-        def thread_target():
-            waited = 0
-            while not app.running:
-                time.sleep(0.05)
-                waited += 0.05
-                if waited > 5:
-                    pytest.fail("App apparently won't start")
-
-            time.sleep(0.1)
-            raise_cancelled_error.set()
-
-        async with app:
-            with caplog.at_level(logging.WARNING):
-                thread = Thread(target=thread_target)
-                await app.start()
-                thread.start()
-                assert thread.is_alive()
-                raise_cancelled_error.wait()
-
-                # The exit should have been caught and the app should still be running
-                assert not thread.is_alive()
-                assert app.running
-
-                # Explicit shutdown is required
-                await app.stop()
-                thread.join()
-
-        assert not thread.is_alive()
-        assert not app.running
-
-        # Make sure that we were warned about the necessity of a manual shutdown
-        assert len(caplog.records) == 1
-        record = caplog.records[0]
-        assert record.name == "telegram.ext.Application"
-        assert record.getMessage().startswith(
-            "Fetching updates got a asyncio.CancelledError. Ignoring"
+        app = (
+            ApplicationBuilder()
+            .bot(one_time_bot)
+            .post_init(post_init)
+            .post_stop(functools.partial(callback, name="post_stop"))
+            .post_shutdown(functools.partial(callback, name="post_shutdown"))
+            .build()
        )
+        monkeypatch.setattr(app.bot, "get_updates", get_updates)
+
+        app.add_handler(TypeHandler(object, update_logger_callback), group=-10)
+        app.add_handler(TypeHandler(object, handler_callback))
+        app.add_error_handler(error_callback)
+        with caplog.at_level(logging.DEBUG):
+            app.run_polling(close_loop=False)
+
+        # This checks that we have a clean shutdown even when the user raises SystemExit
+        # or KeyboardInterrupt in a handler/error handler/job callback
+        assert called_callbacks == {
+            "app_initialize",
+            "app_shutdown",
+            "app_start",
+            "app_stop",
+            "post_shutdown",
+            "post_stop",
+            "updater_initialize",
+            "updater_shutdown",
+            "updater_start_polling",
+            "updater_stop",
+        }
+
+        # These next checks make sure that the update queue is properly cleaned even if there are
+        # still pending updates in the queue
+        # Unfortunately this is apparently extremely hard to get right with jobs, so we're
+        # skipping that case for the sake of simplicity
+        if kind == "job":
+            return
+
+        found = False
+        for record in caplog.records:
+            if record.getMessage() != "Dropping pending update: will_not_be_processed":
+                continue
+            assert record.name == "telegram.ext.Application"
+            assert record.levelno == logging.DEBUG
+            found = True
+        assert found, "`Dropping pending updates` message not found in logs!"
+        assert "will_not_be_processed" not in app.bot_data.get("processed_updates", set())

    def test_run_without_updater(self, one_time_bot):
        app = ApplicationBuilder().bot(one_time_bot).updater(None).build()
@@ -2297,7 +2397,7 @@ class TestApplication:
            assert received_signals == [signal.SIGINT, signal.SIGTERM, signal.SIGABRT]

        received_signals.clear()
-        loop.call_later(0.6, abort_app)
+        loop.call_later(0.8, abort_app)
        app.run_webhook(port=49152, webhook_url="example.com", close_loop=False)

        if platform.system() == "Windows":
@@ -2311,7 +2411,44 @@ class TestApplication:

        assert len(caplog.records) == 1
        assert caplog.records[-1].name == "telegram.ext.Application"
-        assert caplog.records[-1].getMessage().endswith("stop_running() does nothing.")
+        assert caplog.records[-1].getMessage().endswith("`stop_running()` likely has no effect.")
+
+    def test_stop_running_post_init(self, app, monkeypatch, caplog, one_time_bot):
+        async def post_init(app):
+            app.stop_running()
+
+        called_callbacks = []
+
+        async def callback(*args, **kwargs):
+            called_callbacks.append(kwargs["name"])
+
+        monkeypatch.setattr(Application, "start", functools.partial(callback, name="start"))
+        monkeypatch.setattr(
+            Updater, "start_polling", functools.partial(callback, name="start_polling")
+        )
+
+        app = (
+            ApplicationBuilder()
+            .bot(one_time_bot)
+            .post_init(post_init)
+            .post_stop(functools.partial(callback, name="post_stop"))
+            .post_shutdown(functools.partial(callback, name="post_shutdown"))
+            .build()
+        )
+
+        with caplog.at_level(logging.INFO):
+            app.run_polling(close_loop=False)
+
+        # The important part here is that start(_polling) are *not* called!
+        # post_stop must not be called either, since we never called stop()
+        assert called_callbacks == ["post_shutdown"]
+
+        assert len(caplog.records) == 1
+        assert caplog.records[-1].name == "telegram.ext.Application"
+        assert (
+            "Application received stop signal via `stop_running`"
+            in caplog.records[-1].getMessage()
+        )

    @pytest.mark.parametrize("method", ["polling", "webhook"])
    def test_stop_running(self, one_time_bot, monkeypatch, method):
@@ -2421,3 +2558,83 @@ class TestApplication:
        assert len(assertions) == 5
        for key, value in assertions.items():
            assert value, f"assertion '{key}' failed!"
+
+    async def test_process_update_exception_in_building_context(self, monkeypatch, caplog, app):
+        # Makes sure that exceptions in building the context don't stop the application
+        exception = ValueError("TestException")
+        original_from_update = CallbackContext.from_update
+
+        def raise_exception(update, application):
+            if update == 1:
+                raise exception
+            return original_from_update(update, application)
+
+        monkeypatch.setattr(CallbackContext, "from_update", raise_exception)
+
+        received_updates = set()
+
+        async def callback(update, context):
+            received_updates.add(update)
+
+        app.add_handler(TypeHandler(int, callback))
+
+        async with app:
+            with caplog.at_level(logging.CRITICAL):
+                await app.process_update(1)
+
+            assert received_updates == set()
+            assert len(caplog.records) == 1
+            record = caplog.records[0]
+            assert record.name == "telegram.ext.Application"
+            assert record.getMessage().startswith(
+                "Error while building CallbackContext for update 1"
+            )
+            assert record.levelno == logging.CRITICAL
+
+            # Let's also check that no critical log is produced when the exception is not raised
+            caplog.clear()
+            with caplog.at_level(logging.CRITICAL):
+                await app.process_update(2)
+
+            assert received_updates == {2}
+            assert len(caplog.records) == 0
+
+    async def test_process_error_exception_in_building_context(self, monkeypatch, caplog, app):
+        # Makes sure that exceptions in building the context don't stop the application
+        exception = ValueError("TestException")
+        original_from_error = CallbackContext.from_error
+
+        def raise_exception(update, error, application, *args, **kwargs):
+            if error == 1:
+                raise exception
+            return original_from_error(update, error, application, *args, **kwargs)
+
+        monkeypatch.setattr(CallbackContext, "from_error", raise_exception)
+
+        received_errors = set()
+
+        async def callback(update, context):
+            received_errors.add(context.error)
+
+        app.add_error_handler(callback)
+
+        async with app:
+            with caplog.at_level(logging.CRITICAL):
+                await app.process_error(update=None, error=1)
+
+            assert received_errors == set()
+            assert len(caplog.records) == 1
+            record = caplog.records[0]
+            assert record.name == "telegram.ext.Application"
+            assert record.getMessage().startswith(
+                "Error while building CallbackContext for exception 1"
+            )
+            assert record.levelno == logging.CRITICAL
+
+            # Let's also check that no critical log is produced when the exception is not raised
+            caplog.clear()
+            with caplog.at_level(logging.CRITICAL):
+                await app.process_error(update=None, error=2)
+
+            assert received_errors == {2}
+            assert len(caplog.records) == 0
@@ -1090,6 +1090,11 @@ class TestFilters:
        assert filters.StatusUpdate.GIVEAWAY_COMPLETED.check_update(update)
        update.message.giveaway_completed = None

+        update.message.chat_background_set = "test_background"
+        assert filters.StatusUpdate.ALL.check_update(update)
+        assert filters.StatusUpdate.CHAT_BACKGROUND_SET.check_update(update)
+        update.message.chat_background_set = None
+
    def test_filters_forwarded(self, update, message_origin_user):
        assert filters.FORWARDED.check_update(update)
        update.message.forward_origin = MessageOriginHiddenUser(datetime.datetime.utcnow(), 1)
@@ -646,3 +646,44 @@ class TestJobQueue:
        tg_job = Job.from_aps_job(aps_job)
        assert tg_job is job
        assert tg_job.job is aps_job
+
+    async def test_run_job_exception_in_building_context(
+        self, monkeypatch, job_queue, caplog, app
+    ):
+        # Makes sure that exceptions in building the context don't stop the application
+        exception = ValueError("TestException")
+        original_from_job = CallbackContext.from_job
+
+        def raise_exception(job, application):
+            if job.data == 1:
+                raise exception
+            return original_from_job(job, application)
+
+        monkeypatch.setattr(CallbackContext, "from_job", raise_exception)
+
+        received_jobs = set()
+
+        async def job_callback(context):
+            received_jobs.add(context.job.data)
+
+        with caplog.at_level(logging.CRITICAL):
+            job_queue.run_once(job_callback, 0.1, data=1)
+            await asyncio.sleep(0.2)
+
+        assert received_jobs == set()
+        assert len(caplog.records) == 1
+        record = caplog.records[0]
+        assert record.name == "telegram.ext.JobQueue"
+        assert record.getMessage().startswith(
+            "Error while building CallbackContext for job job_callback"
+        )
+        assert record.levelno == logging.CRITICAL
+
+        # Let's also check that no critical log is produced when the exception is not raised
+        caplog.clear()
+        with caplog.at_level(logging.CRITICAL):
+            job_queue.run_once(job_callback, 0.1, data=2)
+            await asyncio.sleep(0.2)
+
+        assert received_jobs == {2}
+        assert len(caplog.records) == 0
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Hinrich Mahler	6fc45a803d	Bump version to v21.2	2024-05-20 17:23:38 +02:00
Harshil	512a0b7417	Add Version to `PTBDeprecationWarning` (#4262 )	2024-05-20 16:12:34 +02:00
Bibo-Joshi	7d952d8707	Documentation Improvements (#4217 ) Co-authored-by: poolitzer <github@poolitzer.eu>	2024-05-20 15:53:04 +02:00
Bibo-Joshi	b496fabf62	Call `Application.post_stop` Only if `Application.stop` was called (#4211 )	2024-05-20 15:52:30 +02:00
Bibo-Joshi	637b8e260b	Handle `SystemExit` raised in Handlers (#4157 )	2024-05-20 15:27:08 +02:00
Bibo-Joshi	912fe45d8c	Handle Exceptions in building `CallbackContext` (#4222 )	2024-05-20 15:25:56 +02:00
Bibo-Joshi	805b7bff32	API 7.3 (#4243 , #4248 , #4247 , #4242 , #4246 , #4260 ) Co-authored-by: Harshil <37377066+harshil21@users.noreply.github.com> Co-authored-by: Abdelrahman Elkheir <90580077+aelkheir@users.noreply.github.com>	2024-05-20 15:25:25 +02:00
Harshil	f3bd0f1462	Add New Rules to `ruff` Config (#4250 )	2024-05-12 09:13:20 +02:00
dependabot[bot]	5b0e0b5f78	Bump `furo` from 2024.4.27 to 2024.5.6 (#4252 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-05-11 15:37:54 +02:00
Bibo-Joshi	c4623c4476	Make `Birthdate.to_date` Return a `datetime.date` Object (#4251 ) Co-authored-by: Harshil <37377066+harshil21@users.noreply.github.com>	2024-05-10 22:23:19 +02:00
Bibo-Joshi	ee6e82d7ad	Remove Functionality Deprecated by Bot API 7.2 (#4245 )	2024-05-10 17:42:22 +02:00
pre-commit-ci[bot]	c34f4811ea	`pre-commit` autoupdate (#4239 ) Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>	2024-05-07 07:42:09 +02:00
dependabot[bot]	d768abdd6b	Bump `pytest` from 8.1.1 to 8.2.0 (#4231 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-05-06 22:36:18 +02:00
dependabot[bot]	2561ffd16b	Bump `dependabot/fetch-metadata` from 2.0.0 to 2.1.0 (#4228 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: dependabot[bot] <dependabot[bot]@users.noreply.github.com> Co-authored-by: Bibo-Joshi <22366557+Bibo-Joshi@users.noreply.github.com>	2024-05-06 22:35:52 +02:00
Bibo-Joshi	622fdf7fa3	Adapt Test Suite to Changes in Error Messages (#4238 )	2024-05-06 22:35:11 +02:00
dependabot[bot]	615f1bf20b	Bump `pytest-asyncio` from 0.21.1 to 0.21.2 (#4232 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-05-05 10:03:38 +02:00
dependabot[bot]	7a8b1be5a4	Bump `pytest-xdist` from 3.6.0 to 3.6.1 (#4233 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-05-04 17:30:18 +02:00
dependabot[bot]	3a8ace2e8b	Bump `furo` from 2024.1.29 to 2024.4.27 (#4230 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-05-04 11:12:26 +02:00
dependabot[bot]	169bd47de3	Bump `srvaroa/labeler` from 1.10.0 to 1.10.1 (#4227 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-05-04 11:07:21 +02:00
dependabot[bot]	a956dcc6a4	Bump `pytest` from 7.4.4 to 8.1.1 (#4218 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: Harshil <37377066+harshil21@users.noreply.github.com> Co-authored-by: Hinrich Mahler <22366557+Bibo-Joshi@users.noreply.github.com>	2024-04-28 22:32:20 +02:00
Bibo-Joshi	ee88973fee	Bump `pytest-xdist` from 3.5.0 to 3.6.0 Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-04-20 10:44:39 +02:00
dependabot[bot]	8f9fc65be0	Bump `sphinx` from 7.2.6 to 7.3.7 (#4215 ) Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>	2024-04-20 09:22:42 +02:00
				`@@ -0,0 +1 @@`
				.. \|app_run_shutdown\| replace:: The app will shut down when :exc:`KeyboardInterrupt` or :exc:`SystemExit` is raised. This also works from within handlers, error handlers and jobs. However, using :meth:`~telegram.ext.Application.stop_running` will give a somewhat cleaner shutdown behavior than manually raising those exceptions. On unix, the app will also shut down on receiving the signals specified by