Window List Applet Occasionally Shows Old Or Incorrect Window Previews

[Alan Diggs]

Sometimes the Window List will show screenshots/instances of windows that no longer exist, or are corrupted or incorrect. In this instance, Steam shows a glitched out window that is unidentifiable and CS:GO shows a window of GIMP that was closed hours prior. (See Screenshot attached)

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: mate-panel 1.24.0-2
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu26
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: MATE
Date: Mon Apr 13 20:11:54 2020
InstallationDate: Installed on 2020-04-12 (1 days ago)
InstallationMedia: Ubuntu-MATE 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
SourcePackage: mate-panel
UpgradeStatus: No upgrade log present (probably fresh install)