add_action( 'shutdown', 'wp_ob_end_flush_all', 1 );
add_action( 'pre_post_update', 'wp_save_post_revision' );
add_action( 'publish_post', '_publish_post_hook', 5, 1 );
-add_action( 'save_post', '_save_post_hook', 5, 2 );
add_action( 'transition_post_status', '_transition_post_status', 5, 3 );
add_action( 'transition_post_status', '_update_term_count_on_transition_post_status', 10, 3 );
add_action( 'comment_form', 'wp_comment_form_unfiltered_html_nonce' );
add_action( 'admin_init', 'send_frame_options_header', 10, 0 );
add_action( 'importer_scheduled_cleanup', 'wp_delete_attachment' );
add_action( 'upgrader_scheduled_cleanup', 'wp_delete_attachment' );
+add_action( 'welcome_panel', 'wp_welcome_panel' );
// Navigation menu actions
add_action( 'delete_post', '_wp_delete_post_menu_item' );
add_action( 'admin_init', 'register_admin_color_schemes', 1);
add_action( 'admin_color_scheme_picker', 'admin_color_scheme_picker' );
+// If the upgrade hasn't run yet, assume link manager is used.
+add_filter( 'default_option_link_manager_enabled', '__return_true' );
+
+// This option no longer exists; tell plugins we always support auto-embedding.
+add_filter( 'default_option_embed_autourls', '__return_true' );
+
unset($filter, $action);