[wp-trac] [WordPress Trac] #52135: False positive on `WP_Site_Health_Auto_Updates`

[WordPress Trac]

#52135: False positive on `WP_Site_Health_Auto_Updates`
--------------------------+------------------------
 Reporter:  audrasjb      |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  5.6.1
Component:  Site Health   |     Version:  5.6
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:  multisite
--------------------------+------------------------
Changes (by SergeyBiryukov):

 * focuses:   => multisite


Comment:

 Thanks for the report!

 > The issue only occurs on Multisite installations, and doesn't appear on
 the main site of the network, only on other ones.

 As noted in the thread, this was introduced with the `! has_filter(
 'wp_version_check', 'wp_version_check' )` in [49154].

 `wp-includes/update.php` does set up the action, but only for the main
 site:
 {{{
 if ( ( ! is_main_site() && ! is_network_admin() ) || wp_doing_ajax() ) {
         return;
 }

 add_action( 'wp_version_check', 'wp_version_check' );
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/52135#comment:2>
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