"Manage in Customizer" -> "Manage with Live Preview". Props patilswapnilv and noahsilverstein. Fixes #37159. Built from https://develop.svn.wordpress.org/trunk@37904 git-svn-id: http://core.svn.wordpress.org/trunk@37845 1a063a9b-81f0-0310-95a4-ce76da25c4cd
WP_Network
id
WP_Post_Type
register_post_type()
unregister_post_type()
media-new.php
WP_Error
wp_die()
edit_post