v3.3.9
Release Automation [Milestone 7]: Automation for initial release preparation (#8005)
Changes to the release process and test improvements (#17154)
Fix part of #13341: Added Mypy type annotations to the `script directory`'s pending files. (#16226)
Upgrade PyPI development dependencies (#18165)
Milestone 2.2 (Improve line and branch coverage for the frontend and the backend): Increased coverage in some backend files (#16231)
Complete some miscellaneous small fixes -- drop UA tag, add comments and update issue templates. (#18553)
Remove unused dependencies: `py` (via `pytest` upgrade)and `PyGithub` (#19553)