[wp-trac] [WordPress Trac] #58770: Fetch priority and lazy loading attributes not applying correctly in block themes

[WordPress Trac]

#58770: Fetch priority and lazy loading attributes not applying correctly in block
themes
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 Reporter:  spacedmonkey  |       Owner:  flixos90
     Type:  defect (bug)  |      Status:  assigned
 Priority:  normal        |   Milestone:  6.4
Component:  Media         |     Version:  5.9
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:  performance
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Changes (by flixos90):

 * owner:  (none) => flixos90
 * status:  new => assigned
 * version:  5.5 => 5.9
 * milestone:  Awaiting Review => 6.4


Comment:

 Thanks @spacedmonkey! Can you share a bit more context on the individual
 problems you saw? For example, for each theme that you tested:
 * How are the images included that have missing or incorrect loading
 optimization attributes?
 * Are the attributes not applied at all? Or are the images being lazy-
 loaded when they shouldn't? Or receiving `fetchpriority="high"` when they
 shouldn't?

 I believe there are multiple underlying issues and different problems, so
 we need to inspect the individual scenarios more closely to figure those
 out.

 Milestoning this for 6.4 for now, but we can adjust as needed once we know
 more. Also updating "Version" to 5.9 since only then block themes and the
 lazy-loading enhancements were introduced.

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Ticket URL: <https://core.trac.wordpress.org/ticket/58770#comment:2>
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