[wp-trac] [WordPress Trac] #31296: Uploaded images are saved as a "resized" duplicate, if the size matches $_wp_additional_image_sizes

[WordPress Trac]

#31296: Uploaded images are saved as a "resized" duplicate, if the size matches
$_wp_additional_image_sizes
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 Reporter:  wpdennis      |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Media         |    Version:  4.1
 Severity:  normal        |   Keywords:
  Focuses:                |
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 If an image is uploaded with the exact same width and height, as via
 add_image_size() specified, it results in two files with same dimensions
 in upload dir. One being the original filename and the other is the
 "resized" one with a size appendix to its filename.

 Prior to 4.1 there was only the image with the original filename. The
 behaviour with 4.1 is bad, because we have a) more images than necessary
 and b) WordPress uses the version with size appendix. If you're optimizing
 images before uploading them, the optimizations aren't used at all.

 It seems like the change came in with this changeset:
 https://core.trac.wordpress.org/changeset/30639

 Corresponding ticket:
 https://core.trac.wordpress.org/ticket/19793

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Ticket URL: <https://core.trac.wordpress.org/ticket/31296>
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