diff --git a/docs/reference-guides/theme-json-reference/theme-json-living.md b/docs/reference-guides/theme-json-reference/theme-json-living.md
index ac2d059a1aa0f7..c5585f552c7934 100644
--- a/docs/reference-guides/theme-json-reference/theme-json-living.md
+++ b/docs/reference-guides/theme-json-reference/theme-json-living.md
@@ -91,6 +91,7 @@ Settings related to typography.
 | letterSpacing | boolean | true |  |
 | lineHeight | boolean | false |  |
 | textDecoration | boolean | true |  |
+| writingMode | boolean | true |  |
 | textTransform | boolean | true |  |
 | dropCap | boolean | true |  |
 | fontSizes | array |  | name, size, slug |
@@ -157,6 +158,7 @@ Typography styles.
 | letterSpacing | string |  |
 | lineHeight | string |  |
 | textDecoration | string |  |
+| writingMode | string |  |
 | textTransform | string |  |
 
 ---
diff --git a/lib/compat/wordpress-6.0/class-gutenberg-rest-global-styles-controller.php b/lib/compat/wordpress-6.0/class-gutenberg-rest-global-styles-controller.php
index 94f9f85d53b452..1e6600cf2f8e9d 100644
--- a/lib/compat/wordpress-6.0/class-gutenberg-rest-global-styles-controller.php
+++ b/lib/compat/wordpress-6.0/class-gutenberg-rest-global-styles-controller.php
@@ -46,45 +46,45 @@ public function register_routes() {
 		 * @param WP_REST_Request $request The request instance.
 		 * @return WP_REST_Response|WP_Error
 		 */
-		public function get_theme_item( $request ) {
-			if ( wp_get_theme()->get_stylesheet() !== $request['stylesheet'] ) {
-				// This endpoint only supports the active theme for now.
-				return new WP_Error(
-					'rest_theme_not_found',
-					__( 'Theme not found.', 'gutenberg' ),
-					array( 'status' => 404 )
-				);
-			}
+	public function get_theme_item( $request ) {
+		if ( wp_get_theme()->get_stylesheet() !== $request['stylesheet'] ) {
+			// This endpoint only supports the active theme for now.
+			return new WP_Error(
+				'rest_theme_not_found',
+				__( 'Theme not found.', 'gutenberg' ),
+				array( 'status' => 404 )
+			);
+		}
 
-			$theme  = WP_Theme_JSON_Resolver_Gutenberg::get_merged_data( 'theme' );
-			$data   = array();
-			$fields = $this->get_fields_for_response( $request );
+		$theme  = WP_Theme_JSON_Resolver_Gutenberg::get_merged_data( 'theme' );
+		$data   = array();
+		$fields = $this->get_fields_for_response( $request );
 
-			if ( rest_is_field_included( 'settings', $fields ) ) {
-				$data['settings'] = $theme->get_settings();
-			}
+		if ( rest_is_field_included( 'settings', $fields ) ) {
+			$data['settings'] = $theme->get_settings();
+		}
 
-			if ( rest_is_field_included( 'styles', $fields ) ) {
-				$raw_data       = $theme->get_raw_data();
-				$data['styles'] = isset( $raw_data['styles'] ) ? $raw_data['styles'] : array();
-			}
+		if ( rest_is_field_included( 'styles', $fields ) ) {
+			$raw_data       = $theme->get_raw_data();
+			$data['styles'] = isset( $raw_data['styles'] ) ? $raw_data['styles'] : array();
+		}
 
-			$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-			$data    = $this->add_additional_fields_to_object( $data, $request );
-			$data    = $this->filter_response_by_context( $data, $context );
+		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+		$data    = $this->add_additional_fields_to_object( $data, $request );
+		$data    = $this->filter_response_by_context( $data, $context );
 
-			$response = rest_ensure_response( $data );
+		$response = rest_ensure_response( $data );
 
-			$links = array(
-				'self' => array(
-					'href' => rest_url( sprintf( '%s/%s/themes/%s', $this->namespace, $this->rest_base, $request['stylesheet'] ) ),
-				),
-			);
+		$links = array(
+			'self' => array(
+				'href' => rest_url( sprintf( '%s/%s/themes/%s', $this->namespace, $this->rest_base, $request['stylesheet'] ) ),
+			),
+		);
 
-			$response->add_links( $links );
+		$response->add_links( $links );
 
-			return $response;
-		}
+		return $response;
+	}
 
 	/**
 	 * Checks if a given request has access to read a single theme global styles config.