The README that corresponds to this release is:
https://github.com/mozilla/policy-templates/blob/3a65c2046dafa7afdbdd64bd02389f8fc36952de/README.md
This release provides support for the following new policies:
LegacyProfiles (Windows only)
OfferToSaveLoginsDefault
PasswordManagerEnabled
It updates the following policies:
Authentication - AllowProxies added
EnableTrackingProtection - Cryptomining and Fingerprinting added
It adds the following preferences to the Preferences policy.
accessibility.force_disabled
browser.bookmarks.autoExportHTML
browser.bookmarks.file
browser.places.importBookmarksHTML
browser.bookmarks.restore_default_bookmarks
browser.safebrowsing.phishing.enabled
browser.safebrowsing.malware.enabled
browser.slowStartup.notificationDisabled
browser.taskbar.previews.enable
dom.allow_scripts_to_close_windows
extensions.blocklist.enabled
geo.enabled
intl.accept_languages
media.eme.enabled
print.save_print_settings
security.mixed_content.block_active_content