[wp-trac] [WordPress Trac] #32012: Crunching doesn't work on some grayscale images

[WordPress Trac]

#32012: Crunching doesn't work on some grayscale images
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 Reporter:  nifwlseirff   |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Media         |    Version:  4.1.1
 Severity:  normal        |   Keywords:
  Focuses:                |
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 No error message, just no thumbnail/smaller sizes crunched on upload of a
 grayscale image.

 Some images work, others not. All are similar sizes, 32-bit grayscale,
 under 2MB with varying dimensions.

 I have followed the relevant steps at:
 https://wordpress.org/support/topic/25-imagemedia-uploader-
 problems?replies=1

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Ticket URL: <https://core.trac.wordpress.org/ticket/32012>
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