[wp-trac] [WordPress Trac] #29937: Ever since updating to WP4.0, thumbnails have not been generating.

[WordPress Trac]

#29937: Ever since updating to WP4.0, thumbnails have not been generating.
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 Reporter:  dpanych       |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  4.0
 Severity:  normal        |   Keywords:
  Focuses:  ui            |
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 In the Media section, all photos have the blank thumbnail with the gray
 icon.

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Ticket URL: <https://core.trac.wordpress.org/ticket/29937>
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