Sometimes windows are missing in panels tasklist

Bug #1968942 reported by Daniel Gibson
This bug affects 1 person
Affects Status Importance Assigned to Milestone
xfce4-panel (Ubuntu)

Bug Description

In xfce4-panel sometimes the tasklist aka "Window Buttons" isn't updated correctly, causing some windows to be missing from it and also visual "gaps".
The XFCE bugreport is
This bug was fixed a month ago with this merge request:

4.14.3 from Ubuntu 20.04 is definitely affected, but as XFCE only merged the patch a month ago newer xfce4-panel versions from newer Ubuntu releases are probably affected as well. I didn't test those though.

Tags: patch
Revision history for this message
Daniel Gibson (metalcaedes) wrote (last edit ):

This is a patch that's equivalent to the solution XFCE merged (only this comments the code in question out instead of deleting it).

As far as I can tell it fixes the bug, but I'm not 100% sure as the bug only happened every few days or so on my system. I'm currently testing this patch on my system and will write another comment here in case the bug happens again with the patched panel (-plugin).

Revision history for this message
Ubuntu Foundations Team Bug Bot (crichton) wrote :

The attachment "patch based on fix from upstream" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.]

tags: added: patch
Revision history for this message
Daniel Gibson (metalcaedes) wrote :

The patch indeed seems to have fixed the issue.

But now I've updated to XUbuntu 22.04 with xfce4-panel 4.16.3-1 and the bug is back, which means that the also needs to be applied there.

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