RESOLVED CONFIGURATION CHANGED 279115
CSS backdrop-filter not applied on masked elements 
https://bugs.webkit.org/show_bug.cgi?id=279115
Summary CSS backdrop-filter not applied on masked elements
Javi Aguilar
Reported 2024-09-04 01:14:41 PDT
Created attachment 472443 [details] comparison with other browsers It seems that combining mask-image, mask-composite: exclude, and backdrop-filter has unexpected effects on Safari, because the backdrop filter is not applied when an element is being masked. Example: https://codepen.io/itsjavi/pen/gONQwMw
Attachments
comparison with other browsers (65.81 KB, image/png)
2024-09-04 01:14 PDT, Javi Aguilar 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Alexey Proskuryakov
Comment 1 2024-09-04 09:45:18 PDT
Thank you for the report. Could you please attach your test case?
Alexey Proskuryakov
Comment 2 2024-09-04 09:45:45 PDT
Never mind, I see the codepen link now.
Alexey Proskuryakov
Comment 3 2024-09-04 09:48:00 PDT
I can reproduce this in Safari 17.6, but not in STP 200 or newer Safari builds, so this appears to be already fixed.
Radar WebKit Bug Importer
Comment 4 2024-09-04 10:03:26 PDT
<rdar://problem/135280852>
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