Bug 290359

Summary: objectIsRelayoutBoundary doesn't account for baseline changes across the boundary
Product: WebKit Reporter: Matt Woodrow <mattwoodrow>
Component: Layout and RenderingAssignee: Matt Woodrow <mattwoodrow>
Status: RESOLVED FIXED    
Severity: Normal CC: bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Matt Woodrow
Reported 2025-03-24 19:28:00 PDT
Being an independent formatting context isn't sufficient to be a layout boundary, as placement within the formatting context can affect the baseline positioning of things outside. We need to prevent these being treated as boundaries if they are inside an inline formatting context.
Attachments
Radar WebKit Bug Importer
Comment 1 2025-03-24 19:29:51 PDT
Matt Woodrow
Comment 2 2025-03-24 20:51:51 PDT
EWS
Comment 3 2025-03-25 12:26:21 PDT
Committed 292662@main (cb80e57398c2): <https://commits.webkit.org/292662@main> Reviewed commits have been landed. Closing PR #42977 and removing active labels.
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