Confirmed that setting gfx.webrender.force-disabled to True solve the problem
Perhaps this Bug can be closed ? -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1931138 Title: Firefox 89.0 broke a lot of things Status in firefox package in Ubuntu: New Bug description: Request to take out 89.0+build2-0ubuntu0.20.04.2 for the time being until problem solved by Mozilla.org Examples of problems: https://answers.launchpad.net/ubuntu/+source/firefox/+question/697411 and see OTHER hundreds of issues raised in support.mozila.org for the pass few days: https://support.mozilla.org/en-US/questions/firefox?show=all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1931138/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
