[wp-trac] [WordPress Trac] #47623: Feeds: <lastBuildDate> has incorrect date

[WordPress Trac]

#47623: Feeds: <lastBuildDate> has incorrect date
--------------------------+--------------------------------------
 Reporter:  gustavogomes  |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Feeds         |    Version:  5.2.2
 Severity:  major         |   Keywords:  needs-patch has-dev-note
  Focuses:                |
--------------------------+--------------------------------------
 The feed shouldn't use only the 'post_modified_gmt' to define the
 lastBuildDate it does not always correspond to the date to be used.
 So, on the file wp-includes/feed.php
 Instead of
 {{{#!php
 <?php
         // Extract the post modified times from the posts.
         $modified_times = wp_list_pluck( $wp_query->posts,
 'post_modified_gmt' );
 }}}
 Should be
 {{{#!php
 <?php
         // Extract the post modified times from the posts.
         $modified_times = wp_list_pluck( $wp_query->posts,
 'post_modified_gmt' );
         $modified_times = array_merge( $modified_times, wp_list_pluck(
 $wp_query->posts, 'post_date_gmt' ) );
 }}}

 this is causing the feed to not update the lastBuildDate when you schedule
 the post.

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Ticket URL: <https://core.trac.wordpress.org/ticket/47623>
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