Public bug reported: Very high CPU and slow responsiveness in Thunderbird 91.5.0. Just moving the mouse cursor over a message list results in 365% CPU for me.
I had to set this in the config editor to fix it: gfx.webrender.force-disabled = TRUE Upstream bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1730423 ** Affects: thunderbird Importance: Unknown Status: Unknown ** Affects: thunderbird (Ubuntu) Importance: Medium Status: Triaged ** Tags: focal jammy performance upstream ** Bug watch added: Mozilla Bugzilla #1730423 https://bugzilla.mozilla.org/show_bug.cgi?id=1730423 ** Also affects: thunderbird via https://bugzilla.mozilla.org/show_bug.cgi?id=1730423 Importance: Unknown Status: Unknown ** Description changed: - Very high CPU and slow responsiveness in Thunderbird 91.5.0 + Very high CPU (365% for me) and slow responsiveness in Thunderbird + 91.5.0 I had to set this in the config editor to fix it: - gfx.webrender.force-disabled = TRUE + gfx.webrender.force-disabled = TRUE Upstream bug: https://bugzilla.mozilla.org/show_bug.cgi?id=1730423 ** Changed in: thunderbird (Ubuntu) Importance: Undecided => Medium ** Changed in: thunderbird (Ubuntu) Status: New => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1959747 Title: [upstream] Very high CPU and slow responsiveness in Thunderbird 91.5.0 To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/1959747/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
