[wp-trac] [WordPress Trac] #48451: Regression: wp_update_attachment_metadata filter now fires very often and without complete metadata

[WordPress Trac]

#48451: Regression: wp_update_attachment_metadata filter now fires very often and
without complete metadata
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 Reporter:  ianmjones                      |       Owner:  (none)
     Type:  defect (bug)                   |      Status:  new
 Priority:  normal                         |   Milestone:  5.3
Component:  Media                          |     Version:  trunk
 Severity:  normal                         |  Resolution:
 Keywords:  has-patch needs-testing close  |     Focuses:
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Comment (by vanyukov):

 So at the end, which is the recommended way to track images uploads? Use
 {{{wp_update_attachment_metadata}}} and track what sizes have been
 processed or hook into {{{wp_generate_attachment_metadata}}} and process
 all the image sizes after the upload finishes?

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Ticket URL: <https://core.trac.wordpress.org/ticket/48451#comment:13>
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