"Support for credit card autofill has been extended to users running Firefox in the IT, ES ,AT, BE, and PL locales.

macOS users can now control the tabability of controls and links via about:preferences.
Screenshot of new macOS tabability option in about:preferences

To avoid undesirable outcomes on sites which specify their own behavior when pressing shift+right-click, Firefox now has a dom.event.contextmenu.shift_suppresses_event preference to prevent the context menu from appearing."

Other than that yeah