Bug 259343

Summary: Fixed element inside sticky container inside element with overflow-y: auto is being partially hidden
Product: WebKit Reporter: JC Franco <jc.dafko>
Component: Layout and RenderingAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: agirard, ahmad.saleem792, bfulgham, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: Safari Technology Preview   
Hardware: Mac (Apple Silicon)   
OS: macOS 13   
Attachments:
Description Flags
Repro cases showing fixed-positioned child with a sticky-positioned parent not escaping scrolling/clipping container none

JC Franco
Reported 2023-07-19 10:58:57 PDT
Created attachment 467074 [details] Repro cases showing fixed-positioned child with a sticky-positioned parent not escaping scrolling/clipping container Ported from https://bugzilla.mozilla.org/show_bug.cgi?id=1571330 Repro case: https://codepen.io/jcfranco/pen/XWyYJRW
Attachments
Repro cases showing fixed-positioned child with a sticky-positioned parent not escaping scrolling/clipping container (28.69 KB, image/png)
2023-07-19 10:58 PDT, JC Franco
no flags
Radar WebKit Bug Importer
Comment 1 2023-07-19 13:38:36 PDT
Ahmad Saleem
Comment 2 2023-07-19 14:34:40 PDT
I am able to reproduce this on WebKit ToT (266165@main) as well.
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