RESOLVED FIXED265377
filter doesn't establish a containing block like transform 
https://bugs.webkit.org/show_bug.cgi?id=265377
Summary filter doesn't establish a containing block like transform
Emilio Cobos Álvarez (:emilio)
Reported 2023-11-27 06:55:37 PST
Created attachment 468765 [details] test-case See test-case. Per spec: > A value other than none for the filter property results in the creation of a containing block for absolute and fixed positioned descendants unless the element it applies to is a document root element in the current browsing context. The list of functions are applied in the order provided. https://drafts.fxtf.org/filter-effects-1/#FilterProperty
Attachments
test-case (284 bytes, text/html)
2023-11-27 06:55 PST, Emilio Cobos Álvarez (:emilio) 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2023-12-04 06:56:17 PST
<rdar://problem/119130847>
Matt Woodrow
Comment 2 2025-06-05 21:14:42 PDT
Pull request: https://github.com/WebKit/WebKit/pull/46408
EWS
Comment 3 2025-06-06 22:04:49 PDT
Committed 295958@main (10fb96ea8b68): <https://commits.webkit.org/295958@main> Reviewed commits have been landed. Closing PR #46408 and removing active labels.
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