[wp-trac] [WordPress Trac] #62063: traverse_and_serialize_blocks calls is_callable for each block instance

[WordPress Trac]

#62063: traverse_and_serialize_blocks calls is_callable for each block instance
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 Reporter:  welcher      |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  General      |     Version:
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |     Focuses:  performance
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Comment (by welcher):

 If this is approved/merged, can we please add Cybr to the props as they
 brought this to my attention and deserve to share credit.

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Ticket URL: <https://core.trac.wordpress.org/ticket/62063#comment:2>
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