Bug 308072

Summary: REGRESSION [block-in-inline] : Consider margin of preceding block when placing out-of-flow box inside inline
Product: WebKit Reporter: Ahmad Saleem <ahmad.saleem792>
Component: Layout and RenderingAssignee: alan <zalan>
Status: RESOLVED FIXED    
Severity: Normal CC: bfulgham, karlcow, koivisto, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: BrowserCompat, InRadar, WPTImpact
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch
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[fast-cq]Patch none

Ahmad Saleem
Reported 2026-02-17 12:44:33 PST
Hi Team, While looking into Safari / WebKit specific failures, I noticed that we fail following test case: WPT Test Case - https://wpt.fyi/results/css/CSS2/positioning/abspos-029.html?label=master&label=experimental&aligned&q=safari%3Afail%20chrome%3Apass%20firefox%3Apass WPT Test Case Live Link - http://wpt.live/css/CSS2/positioning/abspos-029.html ^ fails in Safari Technology Preview 237. Introduced with Servo Change - https://github.com/web-platform-tests/wpt/commit/fb675eb421ec07d27e69fde7b0d0b5e2a3b39097 Just raising, so we can fix it. Thanks!
Attachments
Patch (5.12 KB, patch)
2026-02-17 20:05 PST, alan 		no flags
DetailsFormatted DiffDiff
Patch (5.18 KB, patch)
2026-02-18 07:37 PST, alan 		no flags
DetailsFormatted DiffDiff
Patch (6.35 KB, patch)
2026-02-20 10:48 PST, alan 		no flags
DetailsFormatted DiffDiff
Patch (6.35 KB, patch)
2026-02-20 11:47 PST, alan 		no flags
DetailsFormatted DiffDiff
Patch (7.86 KB, patch)
2026-02-21 13:50 PST, alan 		no flags
DetailsFormatted DiffDiff
Patch (16.42 KB, patch)
2026-02-21 17:40 PST, alan 		no flags
DetailsFormatted DiffDiff
[fast-cq]Patch (16.73 KB, patch)
2026-02-21 18:00 PST, alan 		no flags
DetailsFormatted DiffDiff
Show Obsolete (6) View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2026-02-17 15:09:30 PST
<rdar://problem/170587347>
alan
Comment 2 2026-02-17 20:05:06 PST
Created attachment 478396 [details] Patch
alan
Comment 3 2026-02-18 07:37:05 PST
Created attachment 478398 [details] Patch
alan
Comment 4 2026-02-20 10:48:44 PST
Created attachment 478428 [details] Patch
alan
Comment 5 2026-02-20 11:47:07 PST
Created attachment 478431 [details] Patch
alan
Comment 6 2026-02-21 13:50:37 PST
Created attachment 478437 [details] Patch
alan
Comment 7 2026-02-21 17:40:38 PST
Created attachment 478438 [details] Patch
alan
Comment 8 2026-02-21 18:00:22 PST
Created attachment 478439 [details] [fast-cq]Patch
EWS
Comment 9 2026-02-22 05:27:13 PST
Committed 308008@main (120aa0417b02): <https://commits.webkit.org/308008@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 478439 [details].
EWS
Comment 10 2026-03-06 00:02:13 PST
Committed 305413.410@safari-7624-branch (916519f0e3fa): <https://commits.webkit.org/305413.410@safari-7624-branch> Reviewed commits have been landed. Closing PR #4610 and removing active labels.
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