Bug 220761

Summary:

REGRESSION (Big Sur): position:absolute elements inside nested overflow:scroll don't track scrolling

Product:

WebKit

Reporter:

Simon Fraser (smfr) <simon.fraser>

Component:

Scrolling

Assignee:

Simon Fraser (smfr) <simon.fraser>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

changseok, eric.carlson, esprehn+autocc, ews-watchlist, fred.wang, glenn, jer.noble, koivisto, kondapallykalyan, pdr, philipj, sergio, simon.fraser, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Patch	koivisto: review+

Description Simon Fraser (smfr) 2021-01-19 20:55:42 PST

REGRESSION (Big Sur): position:absolute elements inside nested overflow:scroll don't track scrolling

Comment 1 Simon Fraser (smfr) 2021-01-19 21:01:30 PST

Created attachment 417941 [details]
Patch

Comment 2 Simon Fraser (smfr) 2021-01-19 21:01:33 PST

<rdar://problem/69075263>

Comment 3 Antti Koivisto 2021-01-20 10:18:04 PST

Comment on attachment 417941 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=417941&action=review

> Source/WebCore/rendering/RenderLayerCompositor.cpp:3394
> +    auto needsMovesNode = [&]() {

() is not needed

Comment 4 Simon Fraser (smfr) 2021-01-20 13:22:39 PST

https://trac.webkit.org/changeset/271651/webkit