diff --git a/wp-content/themes/twentyfifteen/functions.php b/wp-content/themes/twentyfifteen/functions.php
index 0a1b3a2e6d..694b995ce0 100644
--- a/wp-content/themes/twentyfifteen/functions.php
+++ b/wp-content/themes/twentyfifteen/functions.php
@@ -184,7 +184,7 @@ if ( ! function_exists( 'twentyfifteen_setup' ) ) :
 		$font_stylesheet = str_replace(
 			array( get_template_directory_uri() . '/', get_stylesheet_directory_uri() . '/' ),
 			'',
-			twentyfifteen_fonts_url()
+			(string) twentyfifteen_fonts_url()
 		);
 		add_editor_style( array( 'css/editor-style.css', 'genericons/genericons.css', $font_stylesheet ) );
 
diff --git a/wp-content/themes/twentyfourteen/functions.php b/wp-content/themes/twentyfourteen/functions.php
index f6db24f3c1..924787f033 100644
--- a/wp-content/themes/twentyfourteen/functions.php
+++ b/wp-content/themes/twentyfourteen/functions.php
@@ -81,7 +81,7 @@ if ( ! function_exists( 'twentyfourteen_setup' ) ) :
 		$font_stylesheet = str_replace(
 			array( get_template_directory_uri() . '/', get_stylesheet_directory_uri() . '/' ),
 			'',
-			twentyfourteen_font_url()
+			(string) twentyfourteen_font_url()
 		);
 		add_editor_style( array( 'css/editor-style.css', $font_stylesheet, 'genericons/genericons.css' ) );
 
diff --git a/wp-content/themes/twentyseventeen/functions.php b/wp-content/themes/twentyseventeen/functions.php
index df9d3b381d..9bf1eecd49 100644
--- a/wp-content/themes/twentyseventeen/functions.php
+++ b/wp-content/themes/twentyseventeen/functions.php
@@ -120,7 +120,7 @@ function twentyseventeen_setup() {
 	$font_stylesheet = str_replace(
 		array( get_template_directory_uri() . '/', get_stylesheet_directory_uri() . '/' ),
 		'',
-		twentyseventeen_fonts_url()
+		(string) twentyseventeen_fonts_url()
 	);
 	add_editor_style( array( 'assets/css/editor-style.css', $font_stylesheet ) );
 
diff --git a/wp-content/themes/twentysixteen/functions.php b/wp-content/themes/twentysixteen/functions.php
index a305628e0f..5e13207432 100644
--- a/wp-content/themes/twentysixteen/functions.php
+++ b/wp-content/themes/twentysixteen/functions.php
@@ -147,7 +147,7 @@ if ( ! function_exists( 'twentysixteen_setup' ) ) :
 		$font_stylesheet = str_replace(
 			array( get_template_directory_uri() . '/', get_stylesheet_directory_uri() . '/' ),
 			'',
-			twentysixteen_fonts_url()
+			(string) twentysixteen_fonts_url()
 		);
 		add_editor_style( array( 'css/editor-style.css', $font_stylesheet ) );
 
diff --git a/wp-content/themes/twentythirteen/functions.php b/wp-content/themes/twentythirteen/functions.php
index 3e0c3a957f..265b4b49b4 100644
--- a/wp-content/themes/twentythirteen/functions.php
+++ b/wp-content/themes/twentythirteen/functions.php
@@ -93,7 +93,7 @@ function twentythirteen_setup() {
 	$font_stylesheet = str_replace(
 		array( get_template_directory_uri() . '/', get_stylesheet_directory_uri() . '/' ),
 		'',
-		twentythirteen_fonts_url()
+		(string) twentythirteen_fonts_url()
 	);
 	add_editor_style( array( 'css/editor-style.css', 'genericons/genericons.css', $font_stylesheet ) );
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index a275d33ad5..a14f57b8a7 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.5-alpha-57600';
+$wp_version = '6.5-alpha-57601';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.