wp_create_initial_post_meta() │ WP 6.3.0

Registers any additional post meta fields.

No Hooks.

Returns

null. Nothing (null).

Usage

wp_create_initial_post_meta();

Changelog

Since 6.3.0 Introduced.
Since 6.3.0 Adds wp_pattern_sync_status meta field to the wp_block post type so an unsynced option can be added.

wp_create_initial_post_meta() code WP 7.1

wp-includes/post.php 
function wp_create_initial_post_meta() {
	register_post_meta(
		'wp_block',
		'wp_pattern_sync_status',
		array(
			'sanitize_callback' => 'sanitize_text_field',
			'single'            => true,
			'type'              => 'string',
			'show_in_rest'      => array(
				'schema' => array(
					'type' => 'string',
					'enum' => array( 'partial', 'unsynced' ),
				),
			),
		)
	);
}