[wp-trac] [WordPress Trac] #65211: Font upload shows failure message but font is added to library

[WordPress Trac]

#65211: Font upload shows failure message but font is added to library
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 Reporter:  369work          |       Owner:  (none)
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  General          |     Version:  trunk
 Severity:  normal           |  Resolution:
 Keywords:  has-screenshots  |     Focuses:  performance
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Comment (by 369work):

 Thank you for your cooperation with the test. However, it's possible that
 the reproduction conditions I mentioned in my previous comment haven't
 been met.

 Could you please confirm that you have never uploaded fonts via Appearance
 > Editor > Style > Typography > Fonts before testing?

 This error seems to occur only during the initial upload attempt via
 Appearance > Fonts, i.e., when the font library hasn't been initialized
 via the editor. This matches a race condition, and the error disappears
 once initialization is complete in either way.
 //////////////////////
 OS: Windows 11 Pro
 Local Environment: Studio 1.8.0 (Intel/AMD Windows)
 PHP: 8.4.20 (64-bit compatible)
 WordPress: 7.0 RC-3
 Browser: Edge  148.0.3967.54
 Theme: TT5
 Active Plugins: Beta Tester
 /////////////////////
 Note that on our end, the same UI error occurs even when installing a
 fresh 7.0RC3. However, this error disappears once the upload via Style is
 successful.


 The observed difference may point to a race condition in async/Promise
 execution order — but this is a hypothesis based on behavior, not a
 confirmed root cause.

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Ticket URL: <https://core.trac.wordpress.org/ticket/65211#comment:9>
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