* Updated MkDocs to 1.6 and limited version to < 2
* Updated Docker image to latest Alpine Linux
* Removed setup.py, now that GitHub fully understands pyproject.toml
* Improved interop of social plugin with third-party MkDocs themes
* Fixed 7099: Blog reading time not rendered correctly for Japanese
* Fixed 7097: Improved resilience of tags plugin when no tags are given
* Fixed 7090: Active tab indicator in nested content tabs rendering bug