Except where noted, everything here applies to both Firefox 95 and the Firefox 91.4 ESR.

Bug Fixes

• Downloading files to mapped network drives can fail. This was fixed for Firefox 95 in bug 1731049. This fix will be in the next ESR (91.5).

• Support for XFA PDF forms was added in Firefox 93 and has been enabled for the ESR in this release.

Policies

• The LegacyProfile policy did not support Thunderbird. This was fixed in bug 1737305.

• The ManagedBookmarks policy was still allowing links to be opened in a private window when private browsing was disabled. This was fixed in bug 1741217.

• The FirefoxHome policy has been updated to support disabling sponsored sites and sponsored stories.

• The Cookies policy has been updated to a support a new setting called Behavior that better maps to the existing cookie preferences, as well as offering control over Total Cookie Protection. The previous settings are deprecated but still available.

• The Preferences policy has been updated to allow setting the preferences keyword.enabled and toolkit.legacyUserProfileCustomizations.stylesheets.

• The Bookmarks policy documentation has been updated to make it clear it can be used to remove all policy added bookmarks as well.