Horizontal artifacts at the top corners of GTK4 windows in Wayland.
Affected version
- mutter-common 42.0-3ubuntu2
- GNOME Shell 42.0
- Ubuntu 22.04
- Wayland + NVIDIA 510.60.02-0ubuntu1
Bug summary
The top (rounded) corners of the header bars of GTK4 apps have horizontal bars / artifacts.
- The artifacts are present for active windows.
- The artifacts are even more visible for inactive windows.
- This issue does not occur in XOrg.
- This issue does not occur for GTK3 windows.
Steps to reproduce
Launch a GTK 4 App while using Wayland.
What happened
There are horizontal artifacts at the top corners of the window.
What did you expect to happen
The top corners of application windows should be rounded, an appropriate shadow should be present, and the background should be visible without being obstructed by artifacts.
Relevant logs, screenshots, screencasts etc.
This is an example of the problem using gnome-calculator 1:41.1-2ubuntu2:
Edited by PJ Singh