Bug 243506

Summary: [GTK] Page flickering on resize
Product: WebKit Reporter: mia
Component: WebKitGTKAssignee: Nobody <webkit-unassigned>
Status: NEW ---    
Severity: Normal CC: bfulgham, bugs-noreply, Hironori.Fujii, simon.fraser, zalan
Priority: P2    
Version: WebKit Local Build   
Hardware: PC   
OS: Linux   
Attachments:
Description Flags
Video of buggy behavior none

Description mia 2022-08-03 12:46:07 PDT 
Created attachment 461385 [details]
Video of buggy behavior

Steps to Reproduce:
1. Create a Fedora 36 VM
2. Run session on X.org
3. Clone and run https://github.com/squili/webkit-flickering-example

Expected results:
The top portion of the webpage doesn't change.

Actual results:
Occasionally, the top half of the webpage will be scrolled up for one frame after a resize. This can been seen in the attached video about 4 seconds in.

Version & Hardware:
WebKit2GTK3 2.36.5 on Framework Laptop (11th gen)

Additional Builds and Platforms:
Ubuntu: Haven't been able to replicate, but I may have just not had the right setup
Fedora on Wayland: Haven't been able to replicate