[wp-trac] [WordPress Trac] #42975: Customize: Previewing a changeset locks the changeset

[WordPress Trac]

#42975: Customize: Previewing a changeset locks the changeset
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 Reporter:  dlh           |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Customize     |    Version:  4.9
 Severity:  normal        |   Keywords:  has-patch
  Focuses:                |
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 To demonstrate:

 1. Schedule or save a draft of a changeset.
 2. Close the Customizer.
 3. Visit the changeset preview link in another browser while logged in as
 a different user.
 4. Open the Customizer again as the first user, and see that the changeset
 has been locked by the second user.

 This can be especially disorienting if the second user doesn't have access
 to the Customizer.

 The attached patch attempts to address this issue by locking the changeset
 only when `customize.php` is being loaded. One downside to this approach
 is that it would mean anyone providing an alternate interface for editing
 a changeset would need to set the lock themselves, though.

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Ticket URL: <https://core.trac.wordpress.org/ticket/42975>
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