Bug 234384

Summary: REGRESSION (r284136): A slight horizontal rubberband kills scroll momentum
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: ScrollingAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: simon.fraser, thorton, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: Safari Technology Preview   
Hardware: Unspecified   
OS: Unspecified   
See Also: https://bugs.webkit.org/show_bug.cgi?id=235605
Attachments:
Description Flags
Patch
ews-feeder: commit-queue-
Patch none

Description Simon Fraser (smfr) 2021-12-15 21:43:35 PST 
Load daringrireball.net on trunk and do a slightly diagonal scroll swipe (or a J-shaped scroll). The vertical momentum stalls when the rubberband animation starts (and then you sometimes get a bit at the end).
Comment 1 Radar WebKit Bug Importer 2021-12-15 21:44:04 PST 
<rdar://problem/86558157>
Comment 2 Simon Fraser (smfr) 2021-12-15 21:45:20 PST 
This probably regressed at https://trac.webkit.org/changeset/284136/webkit
Comment 3 Simon Fraser (smfr) 2022-01-20 15:50:43 PST 
Created attachment 449614 [details]
Patch
Comment 4 Simon Fraser (smfr) 2022-01-20 16:02:36 PST 
Created attachment 449616 [details]
Patch
Comment 5 EWS 2022-01-20 17:25:03 PST 
Committed r288336 (246244@main): <https://commits.webkit.org/246244@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 449616 [details].