This is the Werkzeug 3.1.6 security fix release, which fixes a security issue but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.
PyPI: https://pypi.org/project/Werkzeug/3.1.6/
Changes: https://werkzeug.palletsprojects.com/page/changes/#version-3-1-6
safe_joinon Windows does not allow special devices names in multi-segment paths. GHSA-29vq-49wr-vm6x