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: ScrollingAssignee: 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: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch koivisto: review+

Simon Fraser (smfr)
Reported 2021-01-19 20:55:42 PST
REGRESSION (Big Sur): position:absolute elements inside nested overflow:scroll don't track scrolling
Attachments
Patch (26.93 KB, patch)
2021-01-19 21:01 PST, Simon Fraser (smfr) 		koivisto: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Simon Fraser (smfr)
Comment 1 2021-01-19 21:01:30 PST
Created attachment 417941 [details] Patch
Simon Fraser (smfr)
Comment 2 2021-01-19 21:01:33 PST
<rdar://problem/69075263>
Antti Koivisto
Comment 3 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
Simon Fraser (smfr)
Comment 4 2021-01-20 13:22:39 PST
https://trac.webkit.org/changeset/271651/webkit
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