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- Apply `pyupgrade --py36-plus`
- Use black code formatter.
- Add support for Python 3.7, 3.8, 3.9 and 3.10.
- Fix test collection.
- Drop support for Python 2.7, 3.4, 3.5.
- Updated the test suite to work with Morepath 0.15.
- Set up integration with Travis CI. (superseded)
- Added Tox environments for Python 3.5 and 3.6, PyPy 3, PEP8. (partially superseded)
- Using Python 3.5 for PEP8 and coverage. (superseded)
- Clean up meta data.
- Use GitHub Actions for CI.
- Fix Jinja2 integration - the ``autoescape`` extension was removed as now it
is built-in.