The README that corresponds to this release is:
https://github.com/mozilla/policy-templates/blob/42fb28dd788f9f18094be19925720506c65c6ebe/README.md
This release updates the following policies:
Permissions - Added support for Autoplay.
SanitizeOnShutdown - Added support for Locked and moved the GPO to a category for more flexibility.
The Tracking Protection GPO was also moved to a category for more flexibility.