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- **Removed**: Drop support for Python 3.4, 3.5, 3.6 and 3.7.
- Add support for Python 3.9, 3.10 and 3.11.
- Fix Flake8.
- Use GitHub Actions for CI.
- Make Python 3.11 the default testing environment.
- Upgrade PonyORM to 0.7.17.
- Show full diffs in the test output.
- Add Editors config and venv to .gitignore.
- Remove report to coveralls.
- Update pre-commit revs.