Bump version to v12.1.0

CHANGES.rst

@@ -2,6 +2,30 @@
 Changelog
 =========
 
+Version 12.1.0
+================
+*Released 2019-09-13*
+
+**Major changes:**
+
+- Bot API 4.4 support (`#1464`_, `#1510`_)
+- Add `get_file` method to `Animation` & `ChatPhoto`. Add, `get_small_file` & `get_big_file`
+  methods to `ChatPhoto` (`#1489`_)
+- Tools for deep linking (`#1049`_)
+
+**Minor changes and/or bug fixes:**
+
+- Documentation fixes (`#1500`_, `#1499`_)
+- Improved examples (`#1502`_)
+
+.. _`#1464`: https://github.com/python-telegram-bot/python-telegram-bot/pull/1464
+.. _`#1502`: https://github.com/python-telegram-bot/python-telegram-bot/pull/1502
+.. _`#1499`: https://github.com/python-telegram-bot/python-telegram-bot/pull/1499
+.. _`#1500`: https://github.com/python-telegram-bot/python-telegram-bot/pull/1500
+.. _`#1049`: https://github.com/python-telegram-bot/python-telegram-bot/pull/1049
+.. _`#1489`: https://github.com/python-telegram-bot/python-telegram-bot/pull/1489
+.. _`#1510`: https://github.com/python-telegram-bot/python-telegram-bot/pull/1510
+
 Version 12.0.0
 ================
 *Released 2019-08-29*

docs/source/conf.py

@@ -58,9 +58,9 @@ author = u'Leandro Toledo'
 # built documents.
 #
 # The short X.Y version.
-version = '12.0'  # telegram.__version__[:3]
+version = '12.1'  # telegram.__version__[:3]
 # The full version, including alpha/beta/rc tags.
-release = '12.0.0'  # telegram.__version__
+release = '12.1.0'  # telegram.__version__
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

telegram/version.py

@@ -17,4 +17,4 @@
 # You should have received a copy of the GNU Lesser Public License
 # along with this program.  If not, see [http://www.gnu.org/licenses/].
 
-__version__ = '12.0.0'
+__version__ = '12.1.0'