diff -r 7b1b88e27a20 -r 48c4eec2b7e6 wp/wp-includes/blocks/latest-posts.php
--- a/wp/wp-includes/blocks/latest-posts.php	Thu Sep 29 08:06:27 2022 +0200
+++ b/wp/wp-includes/blocks/latest-posts.php	Fri Sep 05 18:40:08 2025 +0200
@@ -18,6 +18,8 @@
  * Callback for the excerpt_length filter used by
  * the Latest Posts block at render time.
  *
+ * @since 5.4.0
+ *
  * @return int Returns the global $block_core_latest_posts_excerpt_length variable
  *             to allow the excerpt_length filter respect the Latest Block setting.
  */
@@ -29,6 +31,8 @@
 /**
  * Renders the `core/latest-posts` block on server.
  *
+ * @since 5.0.0
+ *
  * @param array $attributes The block attributes.
  *
  * @return string Returns the post content with latest posts added.
@@ -48,14 +52,14 @@
 	$block_core_latest_posts_excerpt_length = $attributes['excerptLength'];
 	add_filter( 'excerpt_length', 'block_core_latest_posts_get_excerpt_length', 20 );
 
-	if ( isset( $attributes['categories'] ) ) {
+	if ( ! empty( $attributes['categories'] ) ) {
 		$args['category__in'] = array_column( $attributes['categories'], 'id' );
 	}
 	if ( isset( $attributes['selectedAuthor'] ) ) {
 		$args['author'] = $attributes['selectedAuthor'];
 	}
 
-	$query        = new WP_Query;
+	$query        = new WP_Query();
 	$recent_posts = $query->query( $args );
 
 	if ( isset( $attributes['displayFeaturedImage'] ) && $attributes['displayFeaturedImage'] ) {
@@ -143,6 +147,24 @@
 
 			$trimmed_excerpt = get_the_excerpt( $post );
 
+			/*
+			 * Adds a "Read more" link with screen reader text.
+			 * […] is the default excerpt ending from wp_trim_excerpt() in Core.
+			 */
+			if ( str_ends_with( $trimmed_excerpt, ' […]' ) ) {
+				/** This filter is documented in wp-includes/formatting.php */
+				$excerpt_length = (int) apply_filters( 'excerpt_length', $block_core_latest_posts_excerpt_length );
+				if ( $excerpt_length <= $block_core_latest_posts_excerpt_length ) {
+					$trimmed_excerpt  = substr( $trimmed_excerpt, 0, -11 );
+					$trimmed_excerpt .= sprintf(
+						/* translators: 1: A URL to a post, 2: Hidden accessibility text: Post title */
+						__( '… <a class="wp-block-latest-posts__read-more" href="%1$s" rel="noopener noreferrer">Read more<span class="screen-reader-text">: %2$s</span></a>' ),
+						esc_url( $post_link ),
+						esc_html( $title )
+					);
+				}
+			}
+
 			if ( post_password_required( $post ) ) {
 				$trimmed_excerpt = __( 'This content is password protected.' );
 			}
@@ -173,25 +195,24 @@
 
 	remove_filter( 'excerpt_length', 'block_core_latest_posts_get_excerpt_length', 20 );
 
-	$class = 'wp-block-latest-posts__list';
-
+	$classes = array( 'wp-block-latest-posts__list' );
 	if ( isset( $attributes['postLayout'] ) && 'grid' === $attributes['postLayout'] ) {
-		$class .= ' is-grid';
+		$classes[] = 'is-grid';
+	}
+	if ( isset( $attributes['columns'] ) && 'grid' === $attributes['postLayout'] ) {
+		$classes[] = 'columns-' . $attributes['columns'];
 	}
-
-	if ( isset( $attributes['columns'] ) && 'grid' === $attributes['postLayout'] ) {
-		$class .= ' columns-' . $attributes['columns'];
+	if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) {
+		$classes[] = 'has-dates';
+	}
+	if ( isset( $attributes['displayAuthor'] ) && $attributes['displayAuthor'] ) {
+		$classes[] = 'has-author';
+	}
+	if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {
+		$classes[] = 'has-link-color';
 	}
 
-	if ( isset( $attributes['displayPostDate'] ) && $attributes['displayPostDate'] ) {
-		$class .= ' has-dates';
-	}
-
-	if ( isset( $attributes['displayAuthor'] ) && $attributes['displayAuthor'] ) {
-		$class .= ' has-author';
-	}
-
-	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $class ) );
+	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) );
 
 	return sprintf(
 		'<ul %1$s>%2$s</ul>',
@@ -202,6 +223,8 @@
 
 /**
  * Registers the `core/latest-posts` block on server.
+ *
+ * @since 5.0.0
  */
 function register_block_core_latest_posts() {
 	register_block_type_from_metadata(
@@ -225,6 +248,8 @@
  * TODO: Remove when and if the bottom client-side deprecation for this block
  * is removed.
  *
+ * @since 5.5.0
+ *
  * @param array $block A single parsed block object.
  *
  * @return array The migrated block object.