Public bug reported: Steps to reproduce:
0. Change the default Alt+Tab to switch windows 1. Have some windows open to switch between them 2. Start Thunderbird 3. Go to Account Settings, which is a child window for account settings (or any child window of another app) 4. Press Alt+Tab to switch windows Going through Alt+Tab produces visual artefacts. See the attached screencast. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: gnome-shell 3.28.3+git20190124-0ubuntu18.04.1 ProcVersionSignature: Ubuntu 4.18.0-16.17~18.04.1-generic 4.18.20 Uname: Linux 4.18.0-16-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.6 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Tue Apr 2 18:35:42 2019 DisplayManager: gdm3 InstallationDate: Installed on 2018-11-29 (123 days ago) InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725) SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: gnome-shell (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic package-from-proposed third-party-packages ** Attachment added: "Screencast_Alt+Tab_visual-artefacts.webm" https://bugs.launchpad.net/bugs/1822857/+attachment/5252141/+files/Screencast_Alt+Tab_visual-artefacts.webm -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1822857 Title: Alt+Tab produces visual artefacts when a child window is open To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1822857/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs