[wp-trac] [WordPress Trac] #59732: Theme live preview is broken

[WordPress Trac]

#59732: Theme live preview is broken
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 Reporter:  karl94                               |       Owner:  flixos90
     Type:  defect (bug)                         |      Status:  assigned
 Priority:  normal                               |   Milestone:  6.4
Component:  Themes                               |     Version:  5.8
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch has-testing-info dev-      |     Focuses:
  reviewed commit                                |
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Comment (by hellofromTonya):

 Additional information why this regression should be included in 6.4 RC4:

 Without the patch applied (i.e. before the patch), [attachment:"test-
 report-6.3.2v6.4-rc2.png"] shows theme live preview:

 * Works with WordPress 6.3.2 ✅
 * Broken with WordPress 6.4. RC2 ❌

 With the live theme preview experience broken, a fix is indeed needed. As
 previously noted, [https://github.com/WordPress/wordpress-
 develop/pull/5574 the patch] resolves the issue without impacting block
 themes.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59732#comment:14>
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