It's a regression in 44.1 caused by the fix for bug 2017137 / bug 2017097. Nobody noticed because one frame of latency is so hard to notice.
** Tags added: regression-update ** Tags added: regression ** Summary changed: - Mouse input latency in GNOME 44 Wayland sessions is one frame higher than it should be + Mouse input latency in GNOME 44.1 Wayland sessions is one frame higher than it was in 44.0 and earlier ** Tags added: lunar -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/2023363 Title: Mouse input latency in GNOME 44.1 Wayland sessions is one frame higher than it was in 44.0 and earlier Status in mutter package in Ubuntu: In Progress Bug description: Mouse input latency in Wayland sessions is slightly higher in 23.10 than 22.04 at the moment. I might be imagining things and it does feel like only one frame higher latency. But experimenting with MUTTER_DEBUG_TRIPLE_BUFFERING seems to confirm my suspicion: BAD: MUTTER_DEBUG_TRIPLE_BUFFERING=auto (the Ubuntu default) BAD: MUTTER_DEBUG_TRIPLE_BUFFERING=always GOOD: MUTTER_DEBUG_TRIPLE_BUFFERING=never ProblemType: Bug DistroRelease: Ubuntu 23.10 Package: mutter 44.2-1ubuntu1 ProcVersionSignature: Ubuntu 6.2.0-21.21-generic 6.2.6 Uname: Linux 6.2.0-21-generic x86_64 ApportVersion: 2.26.1-0ubuntu3 Architecture: amd64 CasperMD5CheckResult: pass Date: Fri Jun 9 14:58:58 2023 InstallationDate: Installed on 2023-05-23 (16 days ago) InstallationMedia: Ubuntu 23.10 "Mantic Minotaur" - Daily amd64 (20230522) SourcePackage: mutter UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/2023363/+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
