Python-telegram-bot

==============
*Released 2020-03-30*

**Minor changes, doc fixes or bug fixes:**

- Add missing docs for `PollHandler` and `PollAnswerHandler` (1853)
- Fix wording in `Filters` docs (1855)
- Reorder tests to make them more stable (1835)
- Make `ConversationHandler` attributes immutable (1756)
- Make `PrefixHandler` attributes `command` and `prefix` editable (1636)
- Fix UTC as default `tzinfo` for `Job` (1696)

**New Features:**

- `Bot.link` gives the `t.me` link of the bot (1770)

**Major Changes:**

- Bot API 4.5 and 4.6 support. (1508, 1723)

**Minor changes, CI improvements or bug fixes:**

- Remove legacy CI files (1783, 1791)
- Update pre-commit config file (1787)
- Remove builtin names (1792)
- CI improvements (1808, 1848)
- Support Python 3.8 (1614, 1824)
- Use stale bot for auto closing stale issues (1820, 1829, 1840)
- Doc fixes (1778, 1818)
- Fix typo in `edit_message_media` (1779)
- In examples, answer CallbackQueries and use `edit_message_text` shortcut (1721)
- Revert accidental change in vendored urllib3 (1775)

**Bug Fixes**

- Pass correct parse_mode to InlineResults if bot.defaults is None (1763)
- Make sure PP can read files that dont have bot_data (1760)

This is a quick release for 1744 which was accidently left out of v12.4.0 though mentioned in the
release notes.

*Released 2020-02-08*

**New features:**

- Set default values for arguments appearing repeatedly. We also have a [wiki page for the new defaults](https://github.com/python-telegram-bot/python-telegram-bot/wiki/Adding-defaults-to-your-bot). (#1490)
- Store data in ``CallbackContext.bot_data`` to access it in every callback. Also persists. (1325)
- ``Filters.poll`` allows only messages containing a poll (1673)

**Major changes:**

- ``Filters.text`` now accepts messages that start with a slash, because ``CommandHandler`` checks for ``MessageEntity.BOT_COMMAND`` since v12. This might lead to your MessageHandlers receiving more updates than before (1680).
- ``Filters.command`` new checks for ``MessageEntity.BOT_COMMAND`` instead of just a leading slash. Also by ``Filters.command(False)`` you can now filters for messages containing a command `anywhere` in the text (1744).

**Minor changes, CI improvements or bug fixes:**

- Add ``disptacher`` argument to ``Updater`` to allow passing a customized ``Dispatcher`` (1484)
- Add missing names for ``Filters`` (1632)
- Documentation fixes (1624, 1647, 1669, 1703, 1718, 1734, 1740, 1642, 1739, 1746)
- CI improvements (1716, 1731, 1738, 1748, 1749, 1750, 1752)
- Fix spelling issue for ``encode_conversations_to_json`` (1661)
- Remove double assignement of ``Dispatcher.job_queue`` (1698)
- Expose dispatcher as property for ``CallbackContext`` (1684)
- Fix ``None`` check in ``JobQueue._put()`` (1707)
- Log datetimes correctly in ``JobQueue`` (1714)
- Fix false ``Message.link`` creation for private groups (1741)
- Add option ``--with-upstream-urllib3`` to `setup.py` to allow using non-vendored version (1725)
- Fix persistence for nested ``ConversationHandlers`` (1679)
- Improve handling of non-decodable server responses (1623)
- Fix download for files without ``file_path`` (1591)
- test_webhook_invalid_posts is now considered flaky and retried on failure (1758)

**New features:**

- `Filters.caption` allows only messages with caption (1631).
- Filter for exact messages/captions with new capability of `Filters.text` and `Filters.caption`. Especially useful in combination with ReplyKeyboardMarkup. (1631).

**Major changes:**

- Fix inconsistent handling of naive datetimes (1506).

**Minor changes, CI improvments or bug fixes:**

- Documentation fixes (1558, 1569, 1579, 1572, 1566, 1577, 1656).
- Add mutex protection on `ConversationHandler` (1533).
- Add `MAX_PHOTOSIZE_UPLOAD` constant (1560).
- Add args and kwargs to `Message.forward()` (1574).
- Transfer to GitHub Actions CI (1555, 1556, 1605, 1606, 1607, 1612, 1615, 1645).
- Fix deprecation warning with Py3.8 by vendored urllib3 (1618).
- Simplify assignements for optional arguments (1600)
- Allow private groups for `Message.link` (1619).
- Fix wrong signature call for `ConversationHandler.TIMEOUT` handlers (1653).