Update @wordpress packages for 6.3 RC2

package.json

@@ -83,30 +83,30 @@
 		"@wordpress/api-fetch": "6.32.1",
 		"@wordpress/autop": "3.35.1",
 		"@wordpress/blob": "3.35.1",
-		"@wordpress/block-directory": "4.12.10",
-		"@wordpress/block-editor": "12.3.8",
-		"@wordpress/block-library": "8.12.10",
+		"@wordpress/block-directory": "4.12.11",
+		"@wordpress/block-editor": "12.3.9",
+		"@wordpress/block-library": "8.12.11",
 		"@wordpress/block-serialization-default-parser": "4.35.1",
-		"@wordpress/blocks": "12.12.4",
+		"@wordpress/blocks": "12.12.5",
 		"@wordpress/commands": "0.6.8",
 		"@wordpress/components": "25.1.8",
 		"@wordpress/compose": "6.12.1",
-		"@wordpress/core-commands": "0.4.8",
-		"@wordpress/core-data": "6.12.8",
-		"@wordpress/customize-widgets": "4.12.10",
+		"@wordpress/core-commands": "0.4.9",
+		"@wordpress/core-data": "6.12.9",
+		"@wordpress/customize-widgets": "4.12.11",
 		"@wordpress/data": "9.5.4",
 		"@wordpress/data-controls": "3.4.4",
 		"@wordpress/date": "4.35.1",
 		"@wordpress/deprecated": "3.35.1",
 		"@wordpress/dom": "3.35.1",
 		"@wordpress/dom-ready": "3.35.1",
-		"@wordpress/edit-post": "7.12.10",
-		"@wordpress/edit-site": "5.12.10",
-		"@wordpress/edit-widgets": "5.12.10",
-		"@wordpress/editor": "13.12.8",
+		"@wordpress/edit-post": "7.12.11",
+		"@wordpress/edit-site": "5.12.11",
+		"@wordpress/edit-widgets": "5.12.11",
+		"@wordpress/editor": "13.12.9",
 		"@wordpress/element": "5.12.1",
 		"@wordpress/escape-html": "2.35.1",
-		"@wordpress/format-library": "4.12.8",
+		"@wordpress/format-library": "4.12.9",
 		"@wordpress/hooks": "3.35.1",
 		"@wordpress/html-entities": "3.35.1",
 		"@wordpress/i18n": "4.35.1",
@@ -126,17 +126,17 @@
 		"@wordpress/priority-queue": "2.35.1",
 		"@wordpress/private-apis": "0.17.2",
 		"@wordpress/redux-routine": "4.35.1",
-		"@wordpress/reusable-blocks": "4.12.8",
+		"@wordpress/reusable-blocks": "4.12.9",
 		"@wordpress/rich-text": "6.12.5",
 		"@wordpress/router": "0.4.2",
-		"@wordpress/server-side-render": "4.12.8",
+		"@wordpress/server-side-render": "4.12.9",
 		"@wordpress/shortcode": "3.35.1",
 		"@wordpress/style-engine": "1.18.1",
 		"@wordpress/token-list": "2.35.1",
 		"@wordpress/url": "3.36.1",
 		"@wordpress/viewport": "5.12.4",
 		"@wordpress/warning": "2.35.1",
-		"@wordpress/widgets": "3.12.8",
+		"@wordpress/widgets": "3.12.9",
 		"@wordpress/wordcount": "3.35.1",
 		"backbone": "1.4.1",
 		"clipboard": "2.0.11",

src/wp-includes/blocks/comment-template.php

@@ -8,6 +8,8 @@
 /**
  * Function that recursively renders a list of nested comments.
  *
+ * @since 6.3.0 Changed render_block_context priority to `1`.
+ *
  * @global int $comment_depth
  *
  * @param WP_Comment[] $comments        The array of comments.

src/wp-includes/blocks/footnotes.php

@@ -8,6 +8,8 @@
 /**
  * Renders the `core/footnotes` block on the server.
  *
+ * @since 6.3.0
+ *
  * @param array    $attributes Block attributes.
  * @param string   $content    Block default content.
  * @param WP_Block $block      Block instance.
@@ -57,6 +59,8 @@ function render_block_core_footnotes( $attributes, $content, $block ) {
 
 /**
  * Registers the `core/footnotes` block on the server.
+ *
+ * @since 6.3.0
  */
 function register_block_core_footnotes() {
 	foreach ( array( 'post', 'page' ) as $post_type ) {
@@ -78,3 +82,137 @@ function register_block_core_footnotes() {
 	);
 }
 add_action( 'init', 'register_block_core_footnotes' );
+
+add_action(
+	'wp_after_insert_post',
+	/**
+	 * Saves the footnotes meta value to the revision.
+	 *
+	 * @since 6.3.0
+	 *
+	 * @param int $revision_id The revision ID.
+	 */
+	static function( $revision_id ) {
+		$post_id = wp_is_post_revision( $revision_id );
+
+		if ( $post_id ) {
+			$footnotes = get_post_meta( $post_id, 'footnotes', true );
+
+			if ( $footnotes ) {
+				// Can't use update_post_meta() because it doesn't allow revisions.
+				update_metadata( 'post', $revision_id, 'footnotes', $footnotes );
+			}
+		}
+	}
+);
+
+add_action(
+	'_wp_put_post_revision',
+	/**
+	 * Keeps track of the revision ID for "rest_after_insert_{$post_type}".
+	 *
+	 * @param int $revision_id The revision ID.
+	 */
+	static function( $revision_id ) {
+		global $_gutenberg_revision_id;
+		$_gutenberg_revision_id = $revision_id;
+	}
+);
+
+foreach ( array( 'post', 'page' ) as $post_type ) {
+	add_action(
+		"rest_after_insert_{$post_type}",
+		/**
+		 * This is a specific fix for the REST API. The REST API doesn't update
+		 * the post and post meta in one go (through `meta_input`). While it
+		 * does fix the `wp_after_insert_post` hook to be called correctly after
+		 * updating meta, it does NOT fix hooks such as post_updated and
+		 * save_post, which are normally also fired after post meta is updated
+		 * in `wp_insert_post()`. Unfortunately, `wp_save_post_revision` is
+		 * added to the `post_updated` action, which means the meta is not
+		 * available at the time, so we have to add it afterwards through the
+		 * `"rest_after_insert_{$post_type}"` action.
+		 *
+		 * @since 6.3.0
+		 *
+		 * @param WP_Post $post The post object.
+		 */
+		static function( $post ) {
+			global $_gutenberg_revision_id;
+
+			if ( $_gutenberg_revision_id ) {
+				$revision = get_post( $_gutenberg_revision_id );
+				$post_id  = $revision->post_parent;
+
+				// Just making sure we're updating the right revision.
+				if ( $post->ID === $post_id ) {
+					$footnotes = get_post_meta( $post_id, 'footnotes', true );
+
+					if ( $footnotes ) {
+						// Can't use update_post_meta() because it doesn't allow revisions.
+						update_metadata( 'post', $_gutenberg_revision_id, 'footnotes', $footnotes );
+					}
+				}
+			}
+		}
+	);
+}
+
+add_action(
+	'wp_restore_post_revision',
+	/**
+	 * Restores the footnotes meta value from the revision.
+	 *
+	 * @since 6.3.0
+	 *
+	 * @param int $post_id      The post ID.
+	 * @param int $revision_id  The revision ID.
+	 */
+	static function( $post_id, $revision_id ) {
+		$footnotes = get_post_meta( $revision_id, 'footnotes', true );
+
+		if ( $footnotes ) {
+			update_post_meta( $post_id, 'footnotes', $footnotes );
+		} else {
+			delete_post_meta( $post_id, 'footnotes' );
+		}
+	},
+	10,
+	2
+);
+
+add_filter(
+	'_wp_post_revision_fields',
+	/**
+	 * Adds the footnotes field to the revision.
+	 *
+	 * @since 6.3.0
+	 *
+	 * @param array $fields The revision fields.
+	 * @return array The revision fields.
+	 */
+	static function( $fields ) {
+		$fields['footnotes'] = __( 'Footnotes' );
+		return $fields;
+	}
+);
+
+add_filter(
+	'wp_post_revision_field_footnotes',
+	/**
+	 * Gets the footnotes field from the revision.
+	 *
+	 * @since 6.3.0
+	 *
+	 * @param string $revision_field The field value, but $revision->$field
+	 *                               (footnotes) does not exist.
+	 * @param string $field          The field name, in this case "footnotes".
+	 * @param object $revision       The revision object to compare against.
+	 * @return string The field value.
+	 */
+	static function( $revision_field, $field, $revision ) {
+		return get_metadata( 'post', $revision->ID, $field, true );
+	},
+	10,
+	3
+);

src/wp-includes/blocks/pattern.php

@@ -22,6 +22,8 @@ function register_block_core_pattern() {
 /**
  * Renders the `core/pattern` block on the server.
  *
+ * @since 6.3.0 Backwards compatibility: blocks with no `syncStatus` attribute do not receive block wrapper.
+ *
  * @param array $attributes Block attributes.
  *
  * @return string Returns the output of the pattern.

src/wp-includes/blocks/post-template.php

@@ -34,6 +34,8 @@ function block_core_post_template_uses_featured_image( $inner_blocks ) {
 /**
  * Renders the `core/post-template` block on the server.
  *
+ * @since 6.3.0 Changed render_block_context priority to `1`.
+ *
  * @param array    $attributes Block attributes.
  * @param string   $content    Block default content.
  * @param WP_Block $block      Block instance.

src/wp-includes/blocks/post-title.php

@@ -8,6 +8,8 @@
 /**
  * Renders the `core/post-title` block on the server.
  *
+ * @since 6.3.0 Omitting the $post argument from the `get_the_title`.
+ *
  * @param array    $attributes Block attributes.
  * @param string   $content    Block default content.
  * @param WP_Block $block      Block instance.

src/wp-includes/blocks/search.php

@@ -8,6 +8,8 @@
 /**
  * Dynamically renders the `core/search` block.
  *
+ * @since 6.3.0 Using block.json `viewScript` to register script, and update `view_script_handles()` only when needed.
+ *
  * @param array    $attributes The block attributes.
  * @param string   $content    The saved content.
  * @param WP_Block $block      The parsed block.