[wp-trac] [WordPress Trac] #44577: After enabling revisions for post type, takes 2 additional revisions to show metabox on old posts.

[WordPress Trac]

#44577: After enabling revisions for post type, takes 2 additional revisions to
show metabox on old posts.
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 Reporter:  megabyterose  |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Revisions     |    Version:  4.9.7
 Severity:  normal        |   Keywords:
  Focuses:                |
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 This is related to https://core.trac.wordpress.org/ticket/42500 but I
 specifically wanted to point out the difference between posts created
 prior to enabling support for revisions vs posts created after enabling
 support.

 Revisions on posts prior to behave differently than posts created after
 enabling revisions.
 Ones created prior to supporting revisions end up needing 3 revisions to
 display the metabox - the original, then the 2 after support is added
 (related to ticket 42500).
 To recreate: https://youtu.be/HIxmfJkl5Jo

 Found the problem here: https://wordpress.stackexchange.com/q/276389/84643

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Ticket URL: <https://core.trac.wordpress.org/ticket/44577>
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