Bug 289589

Summary:

[css-anchor-position-1] Implement swapping due to a try-tactic for position-area

Product:

WebKit

Reporter:

Kiet Ho <kiet.ho>

Component:

Layout and Rendering

Assignee:

Kiet Ho <kiet.ho>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

bfulgham, kiet.ho, simon.fraser, webkit-bug-importer, zalan

Priority:

Keywords:

InRadar

Version:

WebKit Nightly Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Reproduction	none
Screenshot (Chrome on left, Safari on right)	none

Kiet Ho

Reported 2025-03-11 18:51:46 PDT

Created attachment 474534 [details] Reproduction Chrome 136.0.7063.0 (Official Build) canary (arm64) WebKit 291786@main See attached repro. The anchor positioned (orange) box should be positioned at the bottom right corner.

Attachments
Reproduction (879 bytes, text/html) 2025-03-11 18:51 PDT, Kiet Ho	no flags	Details
Screenshot (Chrome on left, Safari on right) (252.39 KB, image/png) 2025-03-11 18:52 PDT, Kiet Ho	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Radar WebKit Bug Importer

Comment 1 2025-03-11 18:51:56 PDT

<rdar://problem/146814606>

Kiet Ho

Comment 2 2025-03-11 18:52:19 PDT

Created attachment 474535 [details] Screenshot (Chrome on left, Safari on right)

Kiet Ho

Comment 3 2025-03-23 23:39:22 PDT

This is due to WebKit not flipping position-area when flip strategies are specified.

Kiet Ho

Comment 4 2025-03-27 12:56:34 PDT

Pull request: https://github.com/WebKit/WebKit/pull/43126

EWS

Comment 5 2025-04-03 22:53:59 PDT

Committed 293219@main (0942066d2a6f): <https://commits.webkit.org/293219@main> Reviewed commits have been landed. Closing PR #43126 and removing active labels.

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