[wp-trac] [WordPress Trac] #55443: Create WebP sub-sizes and use for output

[WordPress Trac]

#55443: Create WebP sub-sizes and use for output
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 Reporter:  adamsilverstein                      |       Owner:
                                                 |  adamsilverstein
     Type:  enhancement                          |      Status:  assigned
 Priority:  normal                               |   Milestone:  6.1
Component:  Media                                |     Version:  6.0
 Severity:  normal                               |  Resolution:
 Keywords:  has-unit-tests needs-dev-note        |     Focuses:
  needs-docs needs-user-docs 2nd-opinion needs-  |  performance
  testing changes-requested                      |
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Changes (by adamsilverstein):

 * keywords:
     has-unit-tests needs-dev-note needs-docs needs-user-docs needs-patch
     2nd-opinion needs-testing changes-requested
     =>
     has-unit-tests needs-dev-note needs-docs needs-user-docs 2nd-opinion
     needs-testing changes-requested


Comment:

 > Did someone mention on the fly image generation!? I wrote a blog post on
 this and provided a proof of concept in 2017. I even packaged it up as a
 plugin and published on WordPress.org as per Matt's request in the
 comments.

 Hey @bradt nice to see you here!

 The performance team has reviewed your post and plugin as part of the
 inspiration for what we are working to build for core. As you suggest, the
 idea is a new API for background tasks (A "background queue") and the
 first direct use of that API in core would be async media generation
 (https://core.trac.wordpress.org/ticket/6814).

 With this in place, user experience uploading images would greatly
 improve. We could show them a thumbnail immediately (uploading images in
 the block editor does this already), then generate the sub-sized images in
 the background without requiring the presence of the user agent.

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Ticket URL: <https://core.trac.wordpress.org/ticket/55443#comment:147>
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