Bug 476413

Summary: Big black border around some GTK apps
Product: [Plasma] kwin Reporter: Henning <boredsquirrel>
Component: compositingAssignee: KWin default assignee <kwin-bugs-null>
Status: RESOLVED UPSTREAM    
Severity: normal CC: kde
Priority: NOR    
Version First Reported In: 5.27.9   
Target Milestone: ---   
Platform: Fedora RPMs   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description Henning 2023-11-01 12:48:25 UTC 
I posted an image here: https://www.reddit.com/r/kde/comments/17j4i3s/black_border_around_gtk_app/

The app is a GTK4 (?) app as a Flatpak. In the KDE Flatpak settings, disabling "direct graphic rendering" fixed that issue. 

--- Software ---
OS: Fedora Linux 38.20231030.0 (Kinoite)
KDE Plasma: 5.27.8
KDE Frameworks: 5.110.0
Qt: 5.15.10
Kernel: 6.5.8-200.fc38.x86_64
Compositor: wayland

--- Hardware ---
CPU: AMD Ryzen 5 PRO 3500U w/ Radeon Vega Mobile Gfx
RAM: 21.4 GB
GPU: AMD Radeon Vega 8 Graphics
Video memory: 2048MB
Comment 1 Henning 2023-11-01 12:49:55 UTC 
This is the affected app: https://github.com/flattool/warehouse
Comment 2 David Edmundson 2023-11-01 12:57:21 UTC 
Please report to GTK.