[wp-trac] [WordPress Trac] #39128: Customize: Preview fails to load when domain mapping in use (home/siteurl domain mismatch)

[WordPress Trac]

#39128: Customize: Preview fails to load when domain mapping in use (home/siteurl
domain mismatch)
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 Reporter:  RomainVB      |       Owner:
     Type:  defect (bug)  |      Status:  assigned
 Priority:  normal        |   Milestone:  4.7.3
Component:  Customize     |     Version:  4.7
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:
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Comment (by westonruter):

 One possible solution is to take the approach by post previews in #16776
 which is to just force the customizer to always use the `siteurl` for
 loading the site in the customizer preview. This would, however,
 invalidate the need for any cross-domain logic in the customizer.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39128#comment:39>
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