Not to me, but it might to some GFX people. Although they'd probably prefer a more recent profile.
(In reply to Sebastian from comment #56) > This helped, thank you! I was able to narrow it down a bit further to > ``` > 48:20.61 INFO: Last good revision: 036520a38d2b3d46fb31cf93f89d3545242feac5 > (2021-01-27) > 48:20.61 INFO: First bad revision: 0f4f1c5ca5d305dd600f759c69737e43478e6777 > (2021-01-28) > ``` These correspond to [these changes in mozilla- central](https://hg.mozilla.org/mozilla- central/pushloghtml?fromchange=42791e22621d1dab5fff576448eccb45f6b3ca6a&tochange=37557864a6845bb8068904e44e8a7dd16746d211). Jamie and/or Lee, would you have a look at the profile from comment 39 and see if you find anything interesting? (I'm picking on you because I don't know any GFX people and you both made changes in the regression range which might be related. Sorry!) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to thunderbird in Ubuntu. https://bugs.launchpad.net/bugs/1959747 Title: [upstream] Very high CPU and slow responsiveness in Thunderbird 91-102 Status in Mozilla Thunderbird: Confirmed Status in thunderbird package in Ubuntu: Triaged Bug description: Very high CPU and slow responsiveness in Thunderbird 91.5.0 and later. 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 To manage notifications about this bug go to: https://bugs.launchpad.net/thunderbird/+bug/1959747/+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
