[wp-trac] [WordPress Trac] #62447: WP 6.7 Block Editor converting new PNG uploads to JPEG with mangled backgrounds

[WordPress Trac]

#62447: WP 6.7 Block Editor converting new PNG uploads to JPEG with mangled
backgrounds
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 Reporter:  room34             |       Owner:  (none)
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Editor             |     Version:  6.7
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by azaozz):

 Cannot reproduce in WP 6.7 using the provided
 [https://core.trac.wordpress.org/attachment/ticket/62447/favicon.png
 favicon.png]. Tested in Firefox and Brave (Chromium).

  If I go into the Media Library and look at the images that were uploaded,
 the Original image link is not to the original PNG version of the image,
 but a HEIC file with a name like tempImage1fPWE9.heic and then that has
 been converted to a JPEG (e.g. tempImage1fPWE9.jpg) for display on the
 site.

 This sounds really peculiar. This is a really long shot but is there any
 chance that "something" on your computer is actually uploading a .heic
 version of the image instead of the .png you're using/dragging?
 - If uploading by dragging, are you dragging from the desktop or from
 another app?
 - What happens if you upload to the Media Library by dragging the image
 from the same location?
 - Could you try uploading a .heic image (if needed a .heic image for
 testing can be downloaded here:
 https://core.trac.wordpress.org/browser/tags/6.7/tests/phpunit/data/images
 /test-image.heic).

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Ticket URL: <https://core.trac.wordpress.org/ticket/62447#comment:4>
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