diff --git a/src/wp-includes/blocks/index.php b/src/wp-includes/blocks/index.php
index 8b0ab4652bca7..4a95b903516f2 100644
--- a/src/wp-includes/blocks/index.php
+++ b/src/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/src/wp-includes/deprecated.php b/src/wp-includes/deprecated.php
index 169b4cc227227..72bf98d8321b8 100644
--- a/src/wp-includes/deprecated.php
+++ b/src/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/src/wp-includes/global-styles-and-settings.php b/src/wp-includes/global-styles-and-settings.php
index 4b21ce6cf0719..75bebfee56aac 100644
--- a/src/wp-includes/global-styles-and-settings.php
+++ b/src/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/src/wp-includes/load.php b/src/wp-includes/load.php
index c03368901ea36..9324eed562ff0 100644
--- a/src/wp-includes/load.php
+++ b/src/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/tests/phpunit/tests/load/wpGetDevelopmentMode.php b/tests/phpunit/tests/load/wpGetDevelopmentMode.php
index 73fa6fa2f9e0f..430c6b4948b26 100644
--- a/tests/phpunit/tests/load/wpGetDevelopmentMode.php
+++ b/tests/phpunit/tests/load/wpGetDevelopmentMode.php
@@ -8,7 +8,7 @@
  *
  * @group load.php
  * @covers ::wp_get_development_mode
- * @covers ::wp_in_development_mode
+ * @covers ::wp_is_development_mode
  */
 class Test_WP_Get_Development_Mode extends WP_UnitTestCase {
 
@@ -46,29 +46,29 @@ public function test_wp_get_development_mode_filter_invalid_value() {
 	}
 
 	/**
-	 * Tests that `wp_in_development_mode()` returns expected results.
+	 * Tests that `wp_is_development_mode()` returns expected results.
 	 *
 	 * @ticket 57487
-	 * @dataProvider data_wp_in_development_mode
+	 * @dataProvider data_wp_is_development_mode
 	 */
-	public function test_wp_in_development_mode( $current, $given, $expected ) {
+	public function test_wp_is_development_mode( $current, $given, $expected ) {
 		global $_wp_tests_development_mode;
 
 		$_wp_tests_development_mode = $current;
 
 		if ( $expected ) {
-			$this->assertTrue( wp_in_development_mode( $given ), "{$given} is expected to pass in {$current} mode" );
+			$this->assertTrue( wp_is_development_mode( $given ), "{$given} is expected to pass in {$current} mode" );
 		} else {
-			$this->assertFalse( wp_in_development_mode( $given ), "{$given} is expected to fail in {$current} mode" );
+			$this->assertFalse( wp_is_development_mode( $given ), "{$given} is expected to fail in {$current} mode" );
 		}
 	}
 
 	/**
-	 * Data provider that returns test scenarios for the `test_wp_in_development_mode()` method.
+	 * Data provider that returns test scenarios for the `test_wp_is_development_mode()` method.
 	 *
 	 * @return array[]
 	 */
-	public function data_wp_in_development_mode() {
+	public function data_wp_is_development_mode() {
 		return array(
 			'core mode, testing for core'              => array(
 				'core',