[wp-trac] [WordPress Trac] #40020: Customizer fails to load in Safari due to X-Origin Header mismatch

[WordPress Trac]

#40020: Customizer fails to load in Safari due to X-Origin Header mismatch
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 Reporter:  nickkeenan    |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Customize     |     Version:  4.7.2
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by nickkeenan):

 No, I believe this is a distinct issue.  While our configuration also has
 a different siteurl from home, This issue doesn't affect all browsers like
 #39128 - and we're not seeing the `Non-existent changeset UUID` error.
 Chrome and Firefox are operating normally, and Safari only is affected.
 IE is untested on my end.

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Ticket URL: <https://core.trac.wordpress.org/ticket/40020#comment:2>
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