Bug 279110

Summary: REGRESSION (iOS 17.x): Ellipses do not appear when column-count and line-clamp are used together
Product: WebKit Reporter: sejeong <rlatpwjd911>
Component: Layout and RenderingAssignee: alan <zalan>
Status: RESOLVED FIXED    
Severity: Normal CC: bfulgham, fantasai.bugs, koivisto, simon.fraser, vitor.roriz, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: Safari 17   
Hardware: iPhone / iPad   
OS: iOS 17   
Bug Depends on: 279303, 279310    
Bug Blocks:    
Attachments:
Description Flags
When column-count and line-clamp are used together, the ellipses do not appear.
none
Patch
none
[fast-cq]Patch none

sejeong
Reported 2024-09-03 23:11:49 PDT
On iOS 17.5 and later, when using column-count and line-clamp together, the ellipsis does not appear. This occurs when switching the orientation of the device from portrait -> landscape or landscape -> portrait. The CSS conditions that cause the issue are column-count of 2 or more and line-clamp of 1 or more to reproduce the issue. This issue can sometimes appear differently when elements have complex inheritance. (For example, the ellipses don't show up when you first enter the screen, but they do after you change the orientation of the screen...) This issue did not occur in 16.7.5 when we checked it out. There seems to be an issue with the layout configuration between the number of columns and line anchoring that is preventing the size from being recognized. Could you please check this issue for me? We've attached a link and screenshot to reproduce the issue. https://codepen.io/sejoung/pen/eYwQJba Thank you for your hard work.
Attachments
When column-count and line-clamp are used together, the ellipses do not appear. (706.92 KB, image/jpeg)
2024-09-03 23:13 PDT, sejeong 		no flags
Details
Patch (3.64 KB, patch)
2024-09-07 20:29 PDT, alan 		no flags
DetailsFormatted DiffDiff
[fast-cq]Patch (3.64 KB, patch)
2024-09-08 14:44 PDT, alan 		no flags
DetailsFormatted DiffDiff
Show Obsolete (1) View All Add attachment proposed patch, testcase, etc.
sejeong
Comment 1 2024-09-03 23:13:39 PDT
Created attachment 472439 [details] When column-count and line-clamp are used together, the ellipses do not appear.
sejeong
Comment 2 2024-09-03 23:36:05 PDT
Sorry about that. Issue Bug ID 279109 has been registered twice. Please ignore 279109.
Alexey Proskuryakov
Comment 3 2024-09-04 12:29:20 PDT
*** Bug 279109 has been marked as a duplicate of this bug. ***
Radar WebKit Bug Importer
Comment 4 2024-09-04 12:30:26 PDT
<rdar://problem/135291399>
alan
Comment 5 2024-09-07 20:29:53 PDT
Created attachment 472490 [details] Patch
alan
Comment 6 2024-09-08 14:44:50 PDT
Created attachment 472495 [details] [fast-cq]Patch
EWS
Comment 7 2024-09-08 18:27:27 PDT
Committed 283326@main (585d6a47c46e): <https://commits.webkit.org/283326@main> All reviewed patches have been landed. Closing bug and clearing flags on attachment 472495 [details].
sejeong
Comment 8 2025-01-06 00:18:47 PST
(In reply to EWS from comment #7) > Committed 283326@main (585d6a47c46e): > <https://commits.webkit.org/283326@main> > > All reviewed patches have been landed. Closing bug and clearing flags on > attachment 472495 [details]. Hi, I was wondering about the release schedule for that patchset. Is it possible to know when it will be released? Thank you.
sejeong
Comment 9 2025-01-21 22:20:53 PST
(In reply to zalan from comment #6) > Created attachment 472495 [details] > [fast-cq]Patch Hi, I've checked with iOS v18.2.1, but the issue is still reproducing. Could you please let me know the release schedule? Thank you.
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