[wp-trac] [WordPress Trac] #37697: Strange behavior with thumbnails on preview in 4.6

[WordPress Trac]

#37697: Strange behavior with thumbnails on preview in 4.6
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 Reporter:  jbenton                              |       Owner:  joemcgill
     Type:  defect (bug)                         |      Status:  reopened
 Priority:  high                                 |   Milestone:  4.6.1
Component:  Post Thumbnails                      |     Version:  4.6
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch has-unit-tests commit      |     Focuses:
  fixed-major                                    |
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Changes (by jeremyfelt):

 * keywords:  needs-testing has-patch has-unit-tests commit fixed-major =>
     has-patch has-unit-tests commit fixed-major


Comment:

 I've reproduced this locally and [38433] resolves the issue. It **might**
 be nice to break the conditional up a bit in the future so that the
 properties of `$post` are checked separately from the existence and values
 of `_thumbnail_id` and `preview_id`, but that's only a readability
 preference, not a functional concern.

 Standard and multisite tests are passing.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37697#comment:16>
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