I'll also confirm that I use Thunderbird and have had other strange issues with Thunderbird windows not closing correctly after messages are sent. The application can be completely killed yet Dock still indicates that there are windows available (but no way to access them).
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1933996 Title: Alt-tab stops switching windows [JS ERROR: TypeError: window is null _createWindowClone@resource:///org/gnome/shell/ui/altTab.js:29:27] Status in GNOME Shell: Unknown Status in gnome-shell package in Ubuntu: Triaged Bug description: When a new Wayland session is created from a login, Alt-tab works as expected to change windows. After sometime Alt-tab fails to do anything (super-tab still works to change applications) and the following error is created in syslog: gnome-shell[777718]: JS ERROR: TypeError: window is null#012_createWindowClone@resource:///org/gnome/shell/ui/altTab.js:29:27#012_init@resource:///org/gnome/shell/ui/altTab.js:1004:34#012_init@resource:///org/gnome/shell/ui/altTab.js:1045:24#012_init@resource:///org/gnome/shell/ui/altTab.js:568:30#012_startSwitcher@resource:///org/gnome/shell/ui/windowManager.js:2069:24 The only workaround I have found is to logout and log back in, however after some time the error repeats itself. Ubuntu 21.04 gnome-shell: Installed: 3.38.4-1ubuntu3~21.04.1 ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: gnome-shell 3.38.4-1ubuntu3~21.04.1 ProcVersionSignature: Ubuntu 5.11.0-22.23-generic 5.11.21 Uname: Linux 5.11.0-22-generic x86_64 ApportVersion: 2.20.11-0ubuntu65.1 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Tue Jun 29 10:53:32 2021 DisplayManager: gdm3 InstallationDate: Installed on 2020-11-11 (230 days ago) InstallationMedia: Ubuntu 20.10 "Groovy Gorilla" - Release amd64 (20201022) RelatedPackageVersions: mutter-common 3.38.4-1ubuntu2 SourcePackage: gnome-shell UpgradeStatus: Upgraded to hirsute on 2021-04-27 (62 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/gnome-shell/+bug/1933996/+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
