[wp-trac] [WordPress Trac] #55288: Site Editor on 5.9.1 fails to find homepage template for FSE themes, on WP subdirectory installation

[WordPress Trac]

#55288: Site Editor on 5.9.1 fails to find homepage template for FSE themes, on WP
subdirectory installation
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 Reporter:  andronocean   |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Editor        |     Version:  5.9.3
 Severity:  critical      |  Resolution:
 Keywords:  dev-feedback  |     Focuses:  javascript, administration
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Comment (by westonruter):

 Replying to [comment:6 andronocean]:
 > @westonruter I'm guessing the mixed content error's source is different.
 Any chance that part goes away if you change the home URL to `https://`?

 My home URL actually is already HTTPS.

 It turns out that the editor actually works fine when I have the latest
 Gutenberg active, that is when I go to `/path/to/wp/wp-
 admin/themes.php?page=gutenberg-edit-site`. When I have Gutenberg
 deactivated and go to `/path/to/wp/wp-admin/site-editor.php` then I get
 the error. So maybe something in the latest Gutenberg version(s) have
 fixed the issue.

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Ticket URL: <https://core.trac.wordpress.org/ticket/55288#comment:7>
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