Comment 3 for bug 1892245

Checking the logs I found the following, possibly related, which appeared during the screencast:

sender: gnome-shell, time: 23:15:49
../clutter/clutter/clutter-actor.c:10556: The clutter_actor_set_allocation() function can only be called from within the implementation of the ClutterActor::allocate() virtual function.

sender: gnome-shell, time: 23:16:15
JS ERROR: TypeError: this._updateWorkspacesFullGeometry is not a function
_newUpdateWorkspacesViews@/<email address hidden>/panelManager.js:464:14
show@resource:///org/gnome/shell/ui/workspacesView.js:613:14

sender: gnome-shell, time: 23:16:15
JS ERROR: TypeError: area is null
padArea@resource:///org/gnome/shell/ui/workspace.js:1101:9
_updateWindowPositions@resource:///org/gnome/shell/ui/workspace.js:1334:20
_realRecalculateWindowPositions@resource:///org/gnome/shell/ui/workspace.js:1311:14
_recalculateWindowPositions/this._positionWindowsId<@resource:///org/gnome/shell/ui/workspace.js:1286:18

sender: gnome-shell, time: 23:16:23
JS WARNING: [resource:///org/gnome/shell/ui/workspaceThumbnail.js 813]: reference to undefined property 0

sender: gnome-shell, time: >50x from 23:16:23 to 23:16:27
JS ERROR: TypeError: this._thumbnails[0] is undefined
handleDragOver@resource:///org/gnome/shell/ui/workspaceThumbnail.js:813:13
_updateDragHover@resource:///org/gnome/shell/ui/dnd.js:514:47

sender: gnome-shell, time: 23:17:17
Window manager warning: META_CURRENT_TIME used to choose focus window; focus window may not be correct.

sender: gsd-media-keys, time: 23:17:17
Failed to grab accelerators: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such interface “org.gnome.Shell” on object at path /org/gnome/Shell

sender: gsd-media-keys, time: 23:17:18
Failed to grab accelerators: GDBus.Error:org.freedesktop.DBus.Error.UnknownMethod: No such interface “org.gnome.Shell” on object at path /org/gnome/Shell

sender: gnome-shell, time: 23:17:18
JS WARNING: [/<email address hidden>/appIcons.js 694]: reference to undefined property "_tweeningToSize"