Bug 247837

Summary:	REGRESSION (253809@main): Comment field on Engadget.com exhibits stutters while scrolling
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:	WebKit Local Build
Hardware:	Unspecified
OS:	Unspecified

Description Simon Fraser (smfr) 2022-11-11 19:43:55 PST

On iOS:
Comments on https://www.engadget.com/call-of-duty-modern-warfare-ii-171127884.html stutter while scrolling
KaTeX math typeset on Khanacademy isn’t anchored when scrolling (https://www.khanacademy.org/math/cc-fifth-grade-math/imp-place-value-and-decimals/imp-decimal-place-value-intro/a/decimal-place-value-review?modal=1)
https://www.waveplayer.info/createmediaelementsource-test/  and some other pages assert in RenderLayerCompositor::updateScrollingNodeForViewportConstrainedRole().

Comment 1 Simon Fraser (smfr) 2022-11-11 19:45:31 PST

<rdar://problem/102096228>

Comment 2 Simon Fraser (smfr) 2022-11-11 19:49:57 PST

Pull request: https://github.com/WebKit/WebKit/pull/6421

Comment 3 Simon Fraser (smfr) 2022-11-11 19:57:09 PST

<rdar://102066231>

Comment 4 EWS 2022-11-13 08:54:06 PST

Committed 256619@main (242980046171): <https://commits.webkit.org/256619@main>

Reviewed commits have been landed. Closing PR #6421 and removing active labels.