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

Simon Fraser (smfr)
Reported 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).
Attachments
Patch (15.34 KB, patch)
2022-01-20 15:50 PST, Simon Fraser (smfr) 		ews-feeder: commit-queue-
DetailsFormatted DiffDiff
Patch (15.39 KB, patch)
2022-01-20 16:02 PST, Simon Fraser (smfr) 		no flags
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2021-12-15 21:44:04 PST
<rdar://problem/86558157>
Simon Fraser (smfr)
Comment 2 2021-12-15 21:45:20 PST
This probably regressed at https://trac.webkit.org/changeset/284136/webkit
Simon Fraser (smfr)
Comment 3 2022-01-20 15:50:43 PST
Created attachment 449614 [details] Patch
Simon Fraser (smfr)
Comment 4 2022-01-20 16:02:36 PST
Created attachment 449616 [details] Patch
EWS
Comment 5 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].
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