- Drop support for deprecated ``python setup.py test``.
- Add support for Python 3.8, 3.9, 3.10, 3.11.
4.4.0
==================
- Add support for Python 3.7.
4.3.0
==================
- Allow custom warning classes to be specified to override the default ``DeprecationWarning``. See https://github.com/zopefoundation/zope.deprecation/pull/7