diff --git a/wp-admin/edit-form-blocks.php b/wp-admin/edit-form-blocks.php
index 5ce8fba395..3a61483be0 100644
--- a/wp-admin/edit-form-blocks.php
+++ b/wp-admin/edit-form-blocks.php
@@ -39,7 +39,6 @@ add_filter( 'screen_options_show_screen', '__return_false' );
 
 wp_enqueue_script( 'heartbeat' );
 wp_enqueue_script( 'wp-edit-post' );
-wp_enqueue_script( 'wp-format-library' );
 
 $rest_base = ! empty( $post_type_object->rest_base ) ? $post_type_object->rest_base : $post_type_object->name;
 
@@ -398,7 +397,6 @@ wp_enqueue_editor();
  * Styles
  */
 wp_enqueue_style( 'wp-edit-post' );
-wp_enqueue_style( 'wp-format-library' );
 
 /**
  * Fires after block assets have been enqueued for the editing interface.
diff --git a/wp-includes/default-filters.php b/wp-includes/default-filters.php
index 23bb302359..29a77af00d 100644
--- a/wp-includes/default-filters.php
+++ b/wp-includes/default-filters.php
@@ -538,6 +538,7 @@ add_action( 'admin_enqueue_scripts', 'wp_localize_jquery_ui_datepicker', 1000 );
 add_action( 'wp_enqueue_scripts', 'wp_common_block_scripts_and_styles' );
 add_action( 'admin_enqueue_scripts', 'wp_common_block_scripts_and_styles' );
 add_action( 'enqueue_block_assets', 'wp_enqueue_registered_block_scripts_and_styles' );
+add_action( 'enqueue_block_editor_assets', 'wp_enqueue_editor_format_library_assets' );
 add_action( 'enqueue_block_editor_assets', 'wp_enqueue_registered_block_scripts_and_styles' );
 add_action( 'admin_print_scripts-index.php', 'wp_localize_community_events' );
 add_filter( 'wp_print_scripts', 'wp_just_in_time_script_localization' );
diff --git a/wp-includes/script-loader.php b/wp-includes/script-loader.php
index ad38dae7b6..62bbda090c 100644
--- a/wp-includes/script-loader.php
+++ b/wp-includes/script-loader.php
@@ -2323,6 +2323,16 @@ function enqueue_editor_block_styles_assets() {
 	wp_enqueue_script( 'wp-block-styles' );
 }
 
+/**
+ * Enqueues the assets required for the format library within the block editor.
+ *
+ * @since 5.8.0
+ */
+function wp_enqueue_editor_format_library_assets() {
+	wp_enqueue_script( 'wp-format-library' );
+	wp_enqueue_style( 'wp-format-library' );
+}
+
 /**
  * Enqueues the assets required for the block directory within the block editor.
  *
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 9a31d17861..7d9e8fec06 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.8-alpha-50619';
+$wp_version = '5.8-alpha-50620';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.