JS ERROR: Error: Expected an object of type ClutterActor for argument 'sibling' but got type undefined _syncStacking@resource:///org/gnome/shell/ui/workspaceAnimation.js:80:18

[lotuspsychje]

Ubuntu 22.04 development branch with kernel 5.13.0-19-generic @ 24/10/2021 (wayland)

Testing 4 apps on 4 dynamic workspaces, on switching the apps by clicking their icons
from the dock, im getting a lot of JS ERRORS in the journal logs, the more i switch
between the apps, the more the errors reproduce:

okt 24 18:54:15 R00TB00K gnome-shell[271529]: JS ERROR: Error: Expected an object of type ClutterActor for argument 'sibling' but got type undefined
                                              _syncStacking@resource:///org/gnome/shell/ui/workspaceAnimation.js:80:18
okt 24 18:54:15 R00TB00K gnome-shell[271529]: JS ERROR: Error: Expected an object of type ClutterActor for argument 'sibling' but got type undefined
                                              _syncStacking@resource:///org/gnome/shell/ui/workspaceAnimation.js:80:18
okt 24 18:54:16 R00TB00K gnome-shell[271529]: JS ERROR: Error: Expected an object of type ClutterActor for argument 'sibling' but got type undefined
                                              _syncStacking@resource:///org/gnome/shell/ui/workspaceAnimation.js:80:18
okt 24 18:54:16 R00TB00K gnome-shell[271529]: JS ERROR: Error: Expected an object of type ClutterActor for argument 'sibling' but got type undefined
                                              _syncStacking@resource:///org/gnome/shell/ui/workspaceAnimation.js:80:18
okt 24 18:54:29 R00TB00K gnome-shell[271529]: JS ERROR: Error: Expected an object of type ClutterActor for argument 'sibling' but got type undefined
                                              _syncStacking@resource:///org/gnome/shell/ui/workspaceAnimation.js:80:18
okt 24 18:54:29 R00TB00K gnome-shell[271529]: JS ERROR: Error: Expected an object of type ClutterActor for argument 'sibling' but got type undefined
                                              _syncStacking@resource:///org/gnome/shell/ui/workspaceAnimation.js:80:18
okt 24 18:54:31 R00TB00K gnome-shell[271529]: JS ERROR: Error: Expected an object of type ClutterActor for argument 'sibling' but got type undefined
                                              _syncStacking@resource:///org/gnome/shell/ui/workspaceAnimation.js:80:18
okt 24 18:54:32 R00TB00K gnome-shell[271529]: JS ERROR: Error: Expected an object of type ClutterActor for argument 'sibling' but got type undefined
                                              _syncStacking@resource:///org/gnome/shell/ui/workspaceAnimation.js:80:18

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gnome-shell 40.5-1ubuntu2
ProcVersionSignature: Ubuntu 5.13.0-19.19-generic 5.13.14
Uname: Linux 5.13.0-19-generic x86_64
ApportVersion: 2.20.11-0ubuntu70
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Sun Oct 24 18:56:39 2021
DisplayManager: gdm3
RelatedPackageVersions: mutter-common 40.5-1ubuntu2
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.xdg.autostart.gnome-shell-overrides-migration.desktop: 2021-10-23T19:12:47.175230

[Daniel van Vugt (vanvugt)]

Also mentioned in https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/4005

[Daniel van Vugt (vanvugt)]

Please run:

  gsettings list-recursively org.gnome.shell > settings.txt

and attach the resulting text file here.

[Daniel van Vugt (vanvugt)]

Tracking upstream in https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/4749