Please test with latest nightly, how-to is here: https://fedoraproject.org/wiki/How_to_debug_Firefox_problems?rd=Bug_info_Firefox#Testing_Mozilla_binaries
You should create a new profile so it won't break your working Firefox setup. Alternatively you can use mozregression tool: https://fedoraproject.org/wiki/How_to_debug_Firefox_problems?rd=Bug_info_Firefox#Use_Mozregression_tool as: MOZ_ENABLE_WAYLAND=1 mozregression --good 91.0 and it will download and launch nightly for you but you need to check which version is actually running (mozregression will download and launch Firefox 91, Nightly and versions between these two). -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1940417 Title: On Wayland toolbar menus are sometimes invisible/flickering To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1940417/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs