Ok Update 3: I've just installed Firefox 87 from the website and same graphics issues as before. What ever they have changed in the Nightly build 89.0a1, seems to have fixed the problem.
Thanks Rue -- 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/1919955 Title: weird graphics artifacts in Firefox on Xorg after upgrade Status in firefox package in Ubuntu: Incomplete Bug description: Hi, just updated today and after restart I logged in under Xorg and when opening Firefox you get blue and black pixelated static across the screen. this only happens running Xorg, not under Wayland. A bit hard to explain the issue, so added a screenshot Also this could be an Xorg issue It only seems to affect Firefox. Thanks Rue ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: firefox 86.0+build3-0ubuntu1 ProcVersionSignature: Ubuntu 5.11.0-11.12-generic 5.11.0 Uname: Linux 5.11.0-11-generic x86_64 AddonCompatCheckDisabled: False ApportVersion: 2.20.11-0ubuntu60 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: rue 5652 F.... pulseaudio BuildID: 20210222142601 CasperMD5CheckResult: unknown Channel: Unavailable CurrentDesktop: ubuntu:GNOME Date: Thu Mar 18 18:12:48 2021 DefaultProfileExtensions: extensions.sqlite corrupt or missing DefaultProfileIncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) DefaultProfileLocales: extensions.sqlite corrupt or missing DefaultProfilePrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/firefox/omni.ja:greprefs.js:348 DefaultProfileThemes: extensions.sqlite corrupt or missing ForcedLayersAccel: False InstallationDate: Installed on 2021-03-16 (1 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20210123) IpRoute: default via 192.168.1.254 dev enp0s25 proto dhcp metric 100 169.254.0.0/16 dev enp0s25 scope link metric 1000 192.168.1.0/24 dev enp0s25 proto kernel scope link src 192.168.1.70 metric 100 ProcEnviron: LANGUAGE=en_NZ:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_NZ.UTF-8 SHELL=/bin/bash Profile0Extensions: extensions.sqlite corrupt or missing Profile0IncompatibleExtensions: Unavailable (corrupt or non-existant compatibility.ini or extensions.sqlite) Profile0Locales: extensions.sqlite corrupt or missing Profile0PrefErrors: Unexpected character ',' before close parenthesis @ /usr/lib/firefox/omni.ja:greprefs.js:348 Profile0PrefSources: prefs.js Profile0Themes: extensions.sqlite corrupt or missing Profiles: Profile1 (Default) - LastVersion=None/None (Out of date) Profile0 - LastVersion=86.0/20210222142601 RunningIncompatibleAddons: False SourcePackage: firefox UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/09/2010 dmi.bios.release: 1.5 dmi.bios.vendor: Hewlett-Packard dmi.bios.version: 786H1 v01.05 dmi.board.name: 304Ah dmi.board.vendor: Hewlett-Packard dmi.chassis.type: 4 dmi.chassis.vendor: Hewlett-Packard dmi.modalias: dmi:bvnHewlett-Packard:bvr786H1v01.05:bd06/09/2010:br1.5:svnHewlett-Packard:pnHPCompaq8100EliteSFFPC:pvr:rvnHewlett-Packard:rn304Ah:rvr:cvnHewlett-Packard:ct4:cvr: dmi.product.family: 103C_53307F dmi.product.name: HP Compaq 8100 Elite SFF PC dmi.product.sku: LE093PA#ABG dmi.sys.vendor: Hewlett-Packard To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1919955/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

