[wp-trac] [WordPress Trac] #55186: Image gallery drag and drop reordering doesn't work

[WordPress Trac]

#55186: Image gallery drag and drop reordering doesn't work
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 Reporter:  michalszota     |      Owner:  (none)
     Type:  defect (bug)    |     Status:  new
 Priority:  normal          |  Milestone:  Awaiting Review
Component:  Media           |    Version:  5.9
 Severity:  normal          |   Keywords:
  Focuses:  ui, javascript  |
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 When I'm trying to edit an existing [gallery], the dialog opens, but it's
 impossible to change the order of images. The bug shows on a vanilla
 installation of wordpress. The console shows the following JS error:

 [Error] TypeError: undefined is not an object (evaluating
 'this.collection.mirroring.args')
         (anonymous function) (media-views.min.js:2:23305)
         u (underscore.min.js:2:16439)

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Ticket URL: <https://core.trac.wordpress.org/ticket/55186>
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