Narrowed down further to dash-to-dock/ubuntu-dock in _onShowAppsButtonToggled. The broken opacity/hide logic is under:
if (animate) { Since the bug is unique to dash-to-dock/ubuntu-dock it looks likely any fix will go in there. I don't yet see anything to fix in mutter or gnome-shell. ** Changed in: mutter (Ubuntu) Status: In Progress => Won't Fix ** Changed in: gnome-shell-extension-ubuntu-dock (Ubuntu) Importance: Undecided => High ** Changed in: gnome-shell-extension-ubuntu-dock (Ubuntu) Status: New => In Progress ** Changed in: gnome-shell-extension-dashtodock (Ubuntu) Importance: Undecided => High ** Changed in: gnome-shell-extension-dashtodock (Ubuntu) Status: New => In Progress ** Also affects: gnome-shell (Ubuntu) Importance: Undecided Status: New ** Changed in: gnome-shell (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell-extension-ubuntu-dock in Ubuntu. https://bugs.launchpad.net/bugs/1918874 Title: Application windows appear over the icon grid Status in gnome-shell package in Ubuntu: Invalid Status in gnome-shell-extension-dashtodock package in Ubuntu: In Progress Status in gnome-shell-extension-ubuntu-dock package in Ubuntu: In Progress Status in mutter package in Ubuntu: Won't Fix Bug description: Click on 'Show Applications' the icons of the applications appear but the windows of the applications does not disappear so the icons are hidden. problem happens with both sessions Xorg and Wayland after last updates see attached picture ProblemType: Bug DistroRelease: Ubuntu 21.04 Package: nautilus 1:3.38.2-1ubuntu1 ProcVersionSignature: Ubuntu 5.10.0-14.15-generic 5.10.11 Uname: Linux 5.10.0-14-generic x86_64 ApportVersion: 2.20.11-0ubuntu60 Architecture: amd64 CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Fri Mar 12 07:36:41 2021 GsettingsChanges: b'org.gnome.nautilus.window-state' b'initial-size' b'(1288, 663)' b'org.gnome.nautilus.list-view' b'default-column-order' b"['name', 'size', 'type', 'owner', 'group', 'permissions', 'where', 'date_modified', 'date_modified_with_time', 'date_accessed', 'recency', 'starred', 'detailed_type']" InstallationDate: Installed on 2021-02-28 (11 days ago) InstallationMedia: Ubuntu 21.04 "Hirsute Hippo" - Alpha amd64 (20210228) SourcePackage: nautilus UpgradeStatus: No upgrade log present (probably fresh install) usr_lib_nautilus: evince 3.39.2-1 file-roller 3.38.0-1 nautilus-extension-gnome-terminal 3.38.1-1ubuntu1 nautilus-share 0.7.3-2ubuntu3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1918874/+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