update changelog

fixes #212

Author: graingert

CHANGELOG.rst

@@ -3,15 +3,39 @@ Version 0.8rc2-dev
 
 Unreleased.
 
+Features
+--------
+
 * add ``modernize`` console_script
-* move project to https://github.com/PyCQA/modernize/
+
+Meta
+----
+
+* move project to https://github.com/PyCQA/modernize/  https://github.com/PyCQA/modernize/pull/220 https://github.com/PyCQA/modernize/pull/215
+* switch from Travis CI to Github Actions https://github.com/PyCQA/modernize/pull/224
+* use tox, pre-commit, pyupgrade and black https://github.com/PyCQA/modernize/pull/216
 
 Version 0.8rc1
 ==============
 
 Released 2020-07-20.
 
-* use fissix instead of deprecated lib2to3
+Breaking
+--------
+* use ``fissix`` instead of deprecated ``lib2to3``  https://github.com/PyCQA/modernize/pull/203
+  modernize itself will no-longer run under Python 2, or Python <3.6, but will
+  always be able to process Python 2 code.
+
+Bugfixes
+--------
+* Fix for ``dict.viewitems()``, ``dict.iteritems()`` etc in chained calls https://github.com/PyCQA/modernize/pull/181
+* Fix for SLASHEQUAL ``/=`` in fix_classic_divivion https://github.com/PyCQA/modernize/pull/197
+
+Docs/tests/meta
+---------------
+* Travis CI: Add Python 3.7, 3.8 and more flake8 tests https://github.com/PyCQA/modernize/pull/199
+* ``six`` documentation has moved to https://six.readthedocs.io/ https://github.com/PyCQA/modernize/pull/198
+* Fix typo in help string for --enforce option https://github.com/PyCQA/modernize/pull/191
 
 Version 0.5-0.7
 ===============