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 Rendering

Assignee:

Nobody <webkit-unassigned>

Status:

NEW

Severity:

Normal

CC:

agirard, ahmad.saleem792, bfulgham, simon.fraser, webkit-bug-importer, zalan

Priority:

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	Details
View All Add attachment proposed patch, testcase, etc.

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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