Bug 249199

Summary: [GTK] Kinetic scrolling works intermittently
Product: WebKit Reporter: Kdwk <kdwkleung>
Component: WebKitGTKAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Normal CC: alicem, bugs-noreply, clord, mcatanzaro
Priority: P2    
Version: WebKit Nightly Build   
Hardware: PC   
OS: Linux   
Attachments:
Description Flags
Screencast showing kinetic scrolling working intermittently none

Kdwk
Reported 2022-12-12 20:19:24 PST
Created attachment 464019 [details] Screencast showing kinetic scrolling working intermittently Starting from WebKitGTK 2.39.1 in Epiphany Technology Preview (GTK 4), kinetic scrolling with a touchpad works intermittently. One scroll and the scrolling decelerates gracefully, another scroll and it abruptly stops. It worked much more reliably in WebKitGTK 2.38.x (GTK 3 stable and GTK 4 Tech Preview). It works approximately 8-9 out of 10 times.
Attachments
Screencast showing kinetic scrolling working intermittently (28.31 MB, video/webm)
2022-12-12 20:19 PST, Kdwk 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Alice Mikhaylenko
Comment 1 2022-12-13 06:08:12 PST
I've seen that happen before, but I'm not able to reproduce it atm - even on that specific page.
Kdwk
Comment 2 2023-01-17 06:14:20 PST
Note: this issue persists as of WebKitGTK 2.39.4
Kdwk
Comment 3 2023-01-17 06:17:33 PST
Another note: kinetic scrolling doesn't seem to work at all on Reddit popups, i.e. when clicking on a post in the home page.
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