[wp-trac] [WordPress Trac] #61779: block.json - custom block style asset is loaded unconditionally to all pages with a non block-based theme

[WordPress Trac]

#61779: block.json - custom block style asset is loaded unconditionally to all
pages with a non block-based theme
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 Reporter:  incrediblewp  |       Owner:  (none)
     Type:  defect (bug)  |      Status:  assigned
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  6.6.1
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by poena):

 Hi @incrediblewp

 This difference between block themes and classic themes is a known
 limitation, this post explains it better than I can:
 https://make.wordpress.org/core/2021/07/01/block-styles-loading-
 enhancements-in-wordpress-5-8/

 In short, in classic themes the styles need to be added to the footer,
 after the blocks have rendered. And because this can change the loading
 order of the CSS, breaking the style of existing themes, it was decided to
 not load the styles conditionally by default in classic themes.

 Theme developers can opt-in to loading the styles conditionally.

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Ticket URL: <https://core.trac.wordpress.org/ticket/61779#comment:1>
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