[wp-trac] [WordPress Trac] #31089: Add revisions to the Customizer

[WordPress Trac]

#31089: Add revisions to the Customizer
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 Reporter:  westonruter  |      Owner:
     Type:  enhancement  |     Status:  new
 Priority:  normal       |  Milestone:  Awaiting Review
Component:  Customize    |    Version:
 Severity:  normal       |   Keywords:
  Focuses:  javascript   |
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 In #30937 the concept of a “Customizer Transaction” is introduced, wherein
 each Customizer session gets a transaction containing the settings that
 are modified and eventually saved (or not). The `wp_transaction` is a
 custom post type with the settings JSON stored in the `post_content`.
 Every time the Customizer is accessed, a new `wp_transaction` post is
 created with `post_status=draft` and then when saving it becomes
 `post_status=publish`. As such, this automatically becomes a revision
 history for all saved changes to the Customizer.

 With the work on Transactions, however, there is no UI for accessing these
 revisions. There is no way to see previous revisions, to revert a
 revision, to recall a revision to continue changes.

 I did do some work on a [https://wordpress.org/plugins/settings-revisions/
 Settings Revisions] plugin for a potential UI, where a new Customizer
 section is added to load a previous revision and to provide the “commit
 message” for the new one  (see [https://wordpress.org/plugins/settings-
 revisions/screenshots/ plugin screenshots]). However, this plugin was
 written before transactions.

 See also:
 #21666 (Customizer reset/undo/revert)
 #20692 (Handle unsaved changes in the customizer)
 #28721 (Scheduled changes for the customizer)

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Ticket URL: <https://core.trac.wordpress.org/ticket/31089>
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