[wp-trac] [WordPress Trac] #59499: Block custom CSS: Fix incorrect CSS when multiple root selectors

[WordPress Trac]

#59499: Block custom CSS: Fix incorrect CSS when multiple root selectors
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 Reporter:  wildworks     |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  6.4
Component:  Editor        |     Version:
 Severity:  normal        |  Resolution:
 Keywords:  has-patch     |     Focuses:
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Comment (by wildworks):

 Let me give you a little background as it may help you decide.

 The problem is that custom CSS is not being output correctly, ''both'' in
 the frontend and in the editor. This custom CSS is generated via PHP on
 the front end and via JavaScript in the editor.
 [https://github.com/WordPress/gutenberg/pull/53602 Gutenberg's PR] fixed
 both aspects of this.

 The editor side, i.e. JavaScript, fixes are part of the Gutenberg package
 and were backported to WordPress 6.4 Beta2. However, the PHP changes (i.e.
 the patch attached to this ticket) have not yet been committed to core, so
 the front end will still have issues.

 Therefore, a core commit is required to resolve this issue on the front
 end as well.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59499#comment:4>
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