Bug 312820

Summary: [LBSE] Suppress LayoutRepainter inside SVG hidden/anonymous containers
Product: WebKit Reporter: Nikolas Zimmermann <zimmermann>
Component: Layout and RenderingAssignee: Nikolas Zimmermann <zimmermann>
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   

Nikolas Zimmermann
Reported 2026-04-20 14:58:21 PDT
Extend `RenderElement::checkForRepaintDuringLayout()` to return `false` when LBSE is enabled and the element either is an anonymous SVG container (e.g. the viewport container child of `RenderSVGRoot`) or is nested inside a `RenderSVGHiddenContainer`.
Attachments
Nikolas Zimmermann
Comment 1 2026-04-20 15:00:46 PDT
EWS
Comment 2 2026-04-21 16:36:17 PDT
Committed 311726@main (a245e4f6cc13): <https://commits.webkit.org/311726@main> Reviewed commits have been landed. Closing PR #63162 and removing active labels.
Radar WebKit Bug Importer
Comment 3 2026-04-21 16:37:13 PDT
Note You need to log in before you can comment on or make changes to this bug.