[wp-trac] [WordPress Trac] #56990: Render blocking CSS `classic-themes.css` unnecessarily enqueued

[WordPress Trac]

#56990: Render blocking CSS `classic-themes.css` unnecessarily enqueued
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 Reporter:  adamsilverstein          |       Owner:  (none)
     Type:  defect (bug)             |      Status:  new
 Priority:  normal                   |   Milestone:  6.1.1
Component:  Themes                   |     Version:  6.1
 Severity:  normal                   |  Resolution:
 Keywords:  has-patch needs-testing  |     Focuses:  css, performance
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Comment (by Mamaduka):

 @adamsilverstein, I can reproduce the issue using the Twenty Ten theme.
 See the screenshots for comparison.

 [[Image(buttons-classic-css-loaded.png)]]

 [[Image(buttons-classic-css-not-loaded.png)]]


 Cc @scruffian

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Ticket URL: <https://core.trac.wordpress.org/ticket/56990#comment:8>
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