Bug 261532

Summary:	backface-visibility:hidden should create a stacking context and containing block
Product:	WebKit	Reporter:	Matt Woodrow <mattwoodrow>
Component:	Layout and Rendering	Assignee:	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
See Also:	https://github.com/web-platform-tests/wpt/pull/41972

Description Matt Woodrow 2023-09-13 15:40:54 PDT

<rdar://114732608>

As of https://github.com/w3c/csswg-drafts/pull/9348, backface-visibility:hidden should create a containing block and stacking context, if the element participates in a 3D rendering context.

Comment 1 Matt Woodrow 2023-09-13 15:49:04 PDT

Pull request: https://github.com/WebKit/WebKit/pull/17752

Comment 2 Matt Woodrow 2023-09-13 17:39:08 PDT

Submitted web-platform-tests pull request: https://github.com/web-platform-tests/wpt/pull/41972

Comment 3 EWS 2023-09-13 19:50:39 PDT

Committed 267980@main (2440e9efc74d): <https://commits.webkit.org/267980@main>

Reviewed commits have been landed. Closing PR #17752 and removing active labels.