NEW262968
Styles on elements of parents with :last-child pseudo-classes not being udpated 
https://bugs.webkit.org/show_bug.cgi?id=262968
Summary Styles on elements of parents with :last-child pseudo-classes not being udpated
Ethan Wong
Reported 2023-10-10 11:13:51 PDT
Created attachment 468154 [details] A page that reproduces this issue Styles on elements of parents with :last-child pseudo-classes may not update correctly when new elements being added. The attached html file reproduces this issue.
Attachments
A page that reproduces this issue (859 bytes, text/html)
2023-10-10 11:13 PDT, Ethan Wong 		no flags
Details
Screen recording of this issue (2.55 MB, video/quicktime)
2023-10-10 11:14 PDT, Ethan Wong 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Ethan Wong
Comment 1 2023-10-10 11:14:35 PDT
Created attachment 468155 [details] Screen recording of this issue
Radar WebKit Bug Importer
Comment 2 2023-10-10 13:52:37 PDT
<rdar://problem/116759051>
Ethan Wong
Comment 3 2023-10-14 04:17:31 PDT
Pull request: https://github.com/WebKit/WebKit/pull/19082
Ahmad Saleem
Comment 4 2023-12-17 10:13:12 PST
@Ethan - I noticed you have closed your PR but while testing the reduction / test case on WebKit ToT (272190@main), it is still reproducible.
gchavan
Comment 5 2025-03-06 12:04:07 PST
I able to reproduce this issue in Safari version 17 and later, and also in the latest version i.e. 18.3 Not able to reproduce it in version 16.5.1 Is there an alternative solution available?
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