[wp-trac] [WordPress Trac] #43258: Output buffer template rendering and add filter for post-processing (e.g. caching, optimization)

WordPress Trac noreply at wordpress.org
Wed Oct 1 23:11:49 UTC 2025


#43258: Output buffer template rendering and add filter for post-processing (e.g.
caching, optimization)
-------------------------------------------------+-------------------------
 Reporter:  nextendweb                           |       Owner:
                                                 |  westonruter
     Type:  enhancement                          |      Status:  accepted
 Priority:  normal                               |   Milestone:  6.9
Component:  General                              |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch has-unit-tests dev-        |     Focuses:  docs,
  feedback                                       |  performance
-------------------------------------------------+-------------------------

Comment (by westonruter):

 Of particular note in relation to #63858 and improving performance of
 spawning cron at `shutdown` instead of `wp_loaded`: output buffers are
 closed ''before'' `shutdown`, which means that even if the performance of
 spawning cron is not improved in #63547, the finalized output buffer will
 still be flushed before cron is spawned.

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Ticket URL: <https://core.trac.wordpress.org/ticket/43258#comment:51>
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