--------------------------------
**Security fixes**
None
**Backwards incompatible changes**
* Drop support for Python 3.4. Thank you, hugovk!
* Drop deprecated ``setup.py test`` support. Thank you, jdufresne! (507)
**Features**
* Add support for Python 3.8. Thank you, jdufresne!
* Add support for PyPy 7. Thank you, hugovk!
* Add pypy3 testing to tox and travis. Thank you, jdufresne!
**Bug fixes**
* Add relative link to code of conduct. (442)
* Fix typo: curren -> current in tests/test_clean.py Thank you, timgates42! (504)
* Fix handling of non-ascii style attributes. Thank you, sekineh! (426)
* Simplify tox configuration. Thank you, jdufresne!
* Make documentation reproducible. Thank you, lamby!
* Fix typos in code comments. Thank you, zborboa-g!
* Fix exception value testing. Thank you, mastizada!
* Fix parser-tags NoneType exception. Thank you, bope!
* Improve TLD support in linkify. Thank you, pc-coholic!