Bug: The XFCE4 taskbar behaves unexpectedly

Bug Report

• Product: xfce4-panel
• Component: Taskbar / Window List
• Version: 4.18.6
• Operating System: manjaro 24.1.1 (testing branch)

Issue Description

The XFCE4 taskbar behaves unexpectedly: some windows are missing their titles in the taskbar. Specifically, every second window occasionally does not display its title, making it difficult to identify and distinguish windows.

Steps to Reproduce

1. Open multiple windows of the same applications.
2. Observe the taskbar display.
3. Notice that some windows (often every second opened window) do not show a title in the taskbar.

Expected Behavior

• All opened windows should display their respective titles in the taskbar correctly.

Actual Behavior

• Some windows in the taskbar do not display a title, especially every second window opened.

Clips

https://youtu.be/Cm0NZlKz-Oc

PKGBUILD Infos

https://gitlab.archlinux.org/archlinux/packaging/packages/xfce4-panel