diff -r be944660c56a -r 3d72ae0968f4 wp/wp-includes/blocks/comment-date.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wp/wp-includes/blocks/comment-date.php	Tue Sep 27 16:37:53 2022 +0200
@@ -0,0 +1,58 @@
+<?php
+/**
+ * Server-side rendering of the `core/comment-date` block.
+ *
+ * @package WordPress
+ */
+
+/**
+ * Renders the `core/comment-date` block on the server.
+ *
+ * @param array    $attributes Block attributes.
+ * @param string   $content    Block default content.
+ * @param WP_Block $block      Block instance.
+ * @return string Return the post comment's date.
+ */
+function render_block_core_comment_date( $attributes, $content, $block ) {
+	if ( ! isset( $block->context['commentId'] ) ) {
+		return '';
+	}
+
+	$comment = get_comment( $block->context['commentId'] );
+	if ( empty( $comment ) ) {
+		return '';
+	}
+
+	$classes = '';
+
+	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classes ) );
+	$formatted_date     = get_comment_date(
+		isset( $attributes['format'] ) ? $attributes['format'] : '',
+		$comment
+	);
+	$link               = get_comment_link( $comment );
+
+	if ( ! empty( $attributes['isLink'] ) ) {
+		$formatted_date = sprintf( '<a href="%1s">%2s</a>', esc_url( $link ), $formatted_date );
+	}
+
+	return sprintf(
+		'<div %1$s><time datetime="%2$s">%3$s</time></div>',
+		$wrapper_attributes,
+		esc_attr( get_comment_date( 'c', $comment ) ),
+		$formatted_date
+	);
+}
+
+/**
+ * Registers the `core/comment-date` block on the server.
+ */
+function register_block_core_comment_date() {
+	register_block_type_from_metadata(
+		__DIR__ . '/comment-date',
+		array(
+			'render_callback' => 'render_block_core_comment_date',
+		)
+	);
+}
+add_action( 'init', 'register_block_core_comment_date' );