Bug 307660

Summary: Anchor Position ignores transformed parent position
Product: WebKit Reporter: hello
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: bfulgham, fantasai.bugs, kiet.ho, koivisto, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: Safari 26   
Hardware: Mac (Apple Silicon)   
OS: macOS 26   
Bug Depends on:    
Bug Blocks: 291856    
Attachments:
Description Flags
A code example of how anchored items position themselves with differently positioned parents none

hello
Reported 2026-02-12 01:53:21 PST
Created attachment 478325 [details] A code example of how anchored items position themselves with differently positioned parents If an anchored item lives inside a transformed parent, the anchored item will ignore the transform and place itself where the item it was anchoring to would have appeared without the transform. This happens in the initial release of Anchor Positioning in WebKit has well as the latest 21623.2.7.11.6
Attachments
A code example of how anchored items position themselves with differently positioned parents (1.31 KB, text/html)
2026-02-12 01:53 PST, hello 		no flags
Details
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Radar WebKit Bug Importer
Comment 1 2026-02-19 01:54:10 PST
<rdar://problem/170707849>
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