diff --git a/wp-includes/blocks/index.php b/wp-includes/blocks/index.php
index 8b0ab4652b..4a95b90351 100644
--- a/wp-includes/blocks/index.php
+++ b/wp-includes/blocks/index.php
@@ -44,7 +44,7 @@ function register_core_block_style_handles() {
 	 * Ignore transient cache when the development mode is set to 'core'. Why? To avoid interfering with
 	 * the core developer's workflow.
 	 */
-	if ( ! wp_in_development_mode( 'core' ) ) {
+	if ( ! wp_is_development_mode( 'core' ) ) {
 		$transient_name = 'wp_core_block_css_files';
 		$files          = get_transient( $transient_name );
 		if ( ! $files ) {
diff --git a/wp-includes/deprecated.php b/wp-includes/deprecated.php
index 169b4cc227..72bf98d832 100644
--- a/wp-includes/deprecated.php
+++ b/wp-includes/deprecated.php
@@ -5234,7 +5234,7 @@ function wp_get_global_styles_svg_filters() {
 	 * Ignore cache when the development mode is set to 'theme', so it doesn't interfere with the theme
 	 * developer's workflow.
 	 */
-	$can_use_cached = ! wp_in_development_mode( 'theme' );
+	$can_use_cached = ! wp_is_development_mode( 'theme' );
 	$cache_group    = 'theme_json';
 	$cache_key      = 'wp_get_global_styles_svg_filters';
 	if ( $can_use_cached ) {
diff --git a/wp-includes/global-styles-and-settings.php b/wp-includes/global-styles-and-settings.php
index 4b21ce6cf0..75bebfee56 100644
--- a/wp-includes/global-styles-and-settings.php
+++ b/wp-includes/global-styles-and-settings.php
@@ -69,7 +69,7 @@ function wp_get_global_settings( $path = array(), $context = array() ) {
 	 * Ignore cache when the development mode is set to 'theme', so it doesn't interfere with the theme
 	 * developer's workflow.
 	 */
-	$can_use_cached = ! wp_in_development_mode( 'theme' );
+	$can_use_cached = ! wp_is_development_mode( 'theme' );
 
 	$settings = false;
 	if ( $can_use_cached ) {
@@ -152,7 +152,7 @@ function wp_get_global_stylesheet( $types = array() ) {
 	 * Ignore cache when the development mode is set to 'theme', so it doesn't interfere with the theme
 	 * developer's workflow.
 	 */
-	$can_use_cached = empty( $types ) && ! wp_in_development_mode( 'theme' );
+	$can_use_cached = empty( $types ) && ! wp_is_development_mode( 'theme' );
 
 	/*
 	 * By using the 'theme_json' group, this data is marked to be non-persistent across requests.
@@ -251,7 +251,7 @@ function wp_get_global_styles_custom_css() {
 	 * Ignore cache when the development mode is set to 'theme', so it doesn't interfere with the theme
 	 * developer's workflow.
 	 */
-	$can_use_cached = ! wp_in_development_mode( 'theme' );
+	$can_use_cached = ! wp_is_development_mode( 'theme' );
 
 	/*
 	 * By using the 'theme_json' group, this data is marked to be non-persistent across requests.
@@ -360,7 +360,7 @@ function wp_theme_has_theme_json() {
 		 * Ignore static cache when the development mode is set to 'theme', to avoid interfering with
 		 * the theme developer's workflow.
 		 */
-		! wp_in_development_mode( 'theme' )
+		! wp_is_development_mode( 'theme' )
 	) {
 		return $theme_has_support[ $stylesheet ];
 	}
diff --git a/wp-includes/load.php b/wp-includes/load.php
index c03368901e..9324eed562 100644
--- a/wp-includes/load.php
+++ b/wp-includes/load.php
@@ -280,7 +280,7 @@ function wp_get_environment_type() {
  * It does not affect debugging output, but rather functional nuances in WordPress.
  *
  * This function retrieves the currently set development mode value. To check whether
- * a specific development mode is enabled, use wp_in_development_mode().
+ * a specific development mode is enabled, use wp_is_development_mode().
  *
  * @since 6.3.0
  *
@@ -325,7 +325,7 @@ function wp_get_development_mode() {
  * @param string $mode Development mode to check for. Either 'core', 'plugin', 'theme', or 'all'.
  * @return bool True if the given mode is covered by the current development mode, false otherwise.
  */
-function wp_in_development_mode( $mode ) {
+function wp_is_development_mode( $mode ) {
 	$current_mode = wp_get_development_mode();
 	if ( empty( $current_mode ) ) {
 		return false;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 7493b3d6a5..8c066e7211 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-beta4-56248';
+$wp_version = '6.3-beta4-56249';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.