Bug 210886

Summary: Backdrop filter doesn't apply on beta.music.apple.com the first time
Product: WebKit Reporter: Jon Lee <jonlee>
Component: CompositingAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: dino, mjs, simon.fraser, thomas.bartelmess, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Screenshot none

Jon Lee
Reported 2020-04-22 16:14:53 PDT
Based on a build off of r260522: Log onto beta.music.apple.com. On one of the albums select (...) The context menu that appears is missing the backdrop filter. Toggle it off/on. It appears.
Attachments
Screenshot (594.68 KB, image/png)
2020-04-22 16:15 PDT, Jon Lee 		no flags
Details
View All Add attachment proposed patch, testcase, etc.
Jon Lee
Comment 1 2020-04-22 16:15:49 PDT
Created attachment 397283 [details] Screenshot
Radar WebKit Bug Importer
Comment 2 2020-04-22 21:26:09 PDT
<rdar://problem/62230339>
Maciej Stachowiak
Comment 3 2020-05-02 17:08:42 PDT
This requires dark mode to reproduce. In light mode, the menu is solid and doesn't have a filter behind it at all.
Thomas Bartelmess
Comment 4 2021-03-09 20:00:08 PST
@Jon Lee I assume there was a change on beta.music.apple.com, I can't reproduce this in dark mode right now. Do you have any details what filters were applied and what the zindex of the element was? I think I have a similar issue and a potential fix.
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