[wp-trac] [WordPress Trac] #63805: Extend the existing conditional loading optimization for block-specific global styles from core blocks to include third-party blocks, improving performance by only loading styles for blocks actually present on the page.

WordPress Trac noreply at wordpress.org
Wed Sep 3 05:43:32 UTC 2025


#63805: Extend the existing conditional loading optimization for block-specific
global styles from core blocks to include third-party blocks, improving
performance by only loading styles for blocks actually present on the page.
---------------------------+-------------------------------
 Reporter:  mokhaled       |       Owner:  (none)
     Type:  enhancement    |      Status:  new
 Priority:  normal         |   Milestone:  6.9
Component:  Script Loader  |     Version:  6.1
 Severity:  normal         |  Resolution:
 Keywords:  has-patch      |     Focuses:  css, performance
---------------------------+-------------------------------
Changes (by oglekler):

 * keywords:  has-patch needs-testing => has-patch


Comment:

 According to @dmsnell "there’s a chance this change should occur in
 WordPress/gutenberg instead of WordPress/wordpress-develop and then be
 brought over via normal PHP updates flowing between the projects." If so,
 it also should be tested there.
 Check https://github.com/WordPress/wordpress-
 develop/pull/9413#pullrequestreview-3116228885

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Ticket URL: <https://core.trac.wordpress.org/ticket/63805#comment:12>
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