[wp-trac] [WordPress Trac] #56761: When editing a thumbnail, wordpress creates a black bottom 1px line on the thumbnail

[WordPress Trac]

#56761: When editing a thumbnail, wordpress creates a black bottom 1px line on the
thumbnail
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 Reporter:  stratboy      |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Media         |    Version:
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Hi, when I click edit image, and then crop that image only for the
 thumbnail, the resulting thumbnail has always a bottom black 1px line.

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Ticket URL: <https://core.trac.wordpress.org/ticket/56761>
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