Bug 244767

Summary:	REGRESSION (253865@main): Fixed elements jiggle when scrolling youtube.com
Product:	WebKit	Reporter:	Simon Fraser (smfr) <simon.fraser>
Component:	Compositing	Assignee:	Simon Fraser (smfr) <simon.fraser>
Status:	RESOLVED FIXED
Severity:	Normal	CC:	simon.fraser, 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=222132

Description Simon Fraser (smfr) 2022-09-03 14:07:34 PDT

Summary:
Scrolling on youtube.com causes the sidebar and header to jiggle

Steps To Reproduce:
1. Load youtube.com
2. Scroll up and down via the trackpad

Results:
Fixed elements on the page jiggle

Comment 1 Simon Fraser (smfr) 2022-09-03 14:14:24 PDT

Pull request: https://github.com/WebKit/WebKit/pull/3997

Comment 2 Simon Fraser (smfr) 2022-09-03 14:14:51 PDT

<rdar://99495036>

Comment 3 EWS 2022-09-09 09:56:29 PDT

Committed 254304@main (99677e63f833): <https://commits.webkit.org/254304@main>

Reviewed commits have been landed. Closing PR #3997 and removing active labels.