[wp-trac] [WordPress Trac] #59338: Themes: Inject theme attribute during block serialization

[WordPress Trac]

#59338: Themes: Inject theme attribute during block serialization
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 Reporter:  Bernhard Reiter  |       Owner:  Bernhard Reiter
     Type:  enhancement      |      Status:  closed
 Priority:  normal           |   Milestone:  6.4
Component:  Themes           |     Version:
 Severity:  normal           |  Resolution:  fixed
 Keywords:                   |     Focuses:
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Comment (by flixos90):

 @gziolo @bernhard-reiter Just to double check whether that is correct,
 looking at https://github.com/WordPress/wordpress-
 develop/pull/5192#issuecomment-1719000338, it appears this change (plus
 the underlying function from #59327) is a quite notable performance
 improvement?

 Curious whether that was an intended goal here, and I wonder if you have
 more context where the benefit could come from? Potentially the removed
 call to `_flatten_blocks()` is responsible for that? That function at
 least ''seems'' somewhat expensive to me.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59338#comment:4>
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