This is the MarkupSafe 3.0.1 fix release, which fixes bugs but does not otherwise change behavior and should not result in breaking changes.
PyPI: https://pypi.org/project/MarkupSafe/3.0.1/
Changes: https://markupsafe.palletsprojects.com/page/changes/#version-3-0-1 (pending a fix to the docs build)
Milestone: https://github.com/pallets/markupsafe/milestone/13?closed=1