Upstream, this problem of the task manager window becomes too wide, is known as issue 32. Here is the url for the upstream bug report and resolution to this issue Task manager window becomes too wide (#32) · Issues · Apps / xfce4-taskmanager
| | | | | | | | | | | Task manager window becomes too wide (#32) · Issues · Apps / xfce4-taskm... When packaging xfce4-taskmanager 1.4.0, I noticed the new version was twice as wide! Didn't think much of it but... | | | I hope this helps. :-)
