[wp-trac] [WordPress Trac] #61167: AVIF image thumbnail not created !

[WordPress Trac]

#61167: AVIF image thumbnail  not created !
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 Reporter:  joomskys                             |       Owner:
                                                 |  adamsilverstein
     Type:  defect (bug)                         |      Status:  assigned
 Priority:  normal                               |   Milestone:  Awaiting
                                                 |  Review
Component:  Media                                |     Version:  6.5
 Severity:  normal                               |  Resolution:
 Keywords:  avif image thumbnail good-first-bug  |     Focuses:
                                                 |  performance
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Comment (by adamsilverstein):

 > Looking at https://github.com/WordPress/wordpress-develop/pull/6531:
 thinking it would be better to show a better error message that explains
 exactly what's wrong (server not able to work with these images) and tell
 the users to convert the file before uploading it. Perhaps the same text
 as in the JS error?

 @azaozz in the PR I'm aiming to alter allowedMimeTypes so that it actually
 reflects the supported types. This means an error will be shown when
 trying to upload an AVIF image if the server doesn't have AVIF support.
 Currently, users don't get any error - the image uploads, but no sub-sized
 images are created (leading to this bug report).

 Is your suggestion that we make this change and ALSO update the error
 message string?

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Ticket URL: <https://core.trac.wordpress.org/ticket/61167#comment:12>
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