[wp-trac] [WordPress Trac] #48919: Images wont upload with new Big Images fiunctionality

[WordPress Trac]

#48919: Images wont upload with new Big Images fiunctionality
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 Reporter:  shamai        |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  5.3
 Severity:  normal        |   Keywords:  dev-feedback
  Focuses:                |
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 With version 5.3 came a new ability to create a big optimized image if the
 client uploads a very large image. This sort of replaces the full image,
 although it seems to retain the original image on the server. (not sure
 why but thats another issue...?)

 Seen here:
 https://make.wordpress.org/core/2019/10/09/introducing-handling-of-big-
 images-in-wordpress-5-3/

 Unfortunately there seems to be some bugs. Clients can no longer upload
 files. They get an error:

 "Post-processing of the image failed. If this is a photo or a large image,
 please scale it down to 2500 pixels and upload it again."

 The images uploaded are over 2500, but under 2MB.
 I tried setting this new functionality to false using the hook I keep
 finding online:

 {{{
 add_filter( 'big_image_size_threshold', '__return_false' );
 }}}

 This did not work. I tried returning a new size over 2500 and it still
 wont work. Is this a bug or am I and everyone on the internet using this
 hook wrong?

 Thank you.

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Ticket URL: <https://core.trac.wordpress.org/ticket/48919>
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