diff --git a/wp-admin/site-editor.php b/wp-admin/site-editor.php
index d2880b0a4f..a8b43b52af 100644
--- a/wp-admin/site-editor.php
+++ b/wp-admin/site-editor.php
@@ -101,7 +101,7 @@ if ( isset( $_GET['postType'] ) && ! isset( $_GET['postId'] ) ) {
 }
 
 $active_global_styles_id = WP_Theme_JSON_Resolver::get_user_global_styles_post_id();
-$active_theme            = wp_get_theme()->get_stylesheet();
+$active_theme            = get_stylesheet();
 $preload_paths           = array(
 	array( '/wp/v2/media', 'OPTIONS' ),
 	'/wp/v2/types?context=view',
diff --git a/wp-includes/block-template-utils.php b/wp-includes/block-template-utils.php
index 802627873e..8ecb9dfe55 100644
--- a/wp-includes/block-template-utils.php
+++ b/wp-includes/block-template-utils.php
@@ -437,7 +437,7 @@ function _inject_theme_attribute_in_block_template_content( $template_content )
 			'core/template-part' === $block['blockName'] &&
 			! isset( $block['attrs']['theme'] )
 		) {
-			$block['attrs']['theme'] = wp_get_theme()->get_stylesheet();
+			$block['attrs']['theme'] = get_stylesheet();
 			$has_updated_content     = true;
 		}
 	}
@@ -499,7 +499,7 @@ function _remove_theme_attribute_in_block_template_content( $template_content )
 function _build_block_template_result_from_file( $template_file, $template_type ) {
 	$default_template_types = get_default_block_template_types();
 	$template_content       = file_get_contents( $template_file['path'] );
-	$theme                  = wp_get_theme()->get_stylesheet();
+	$theme                  = get_stylesheet();
 
 	$template                 = new WP_Block_Template();
 	$template->id             = $theme . '//' . $template_file['slug'];
@@ -710,7 +710,7 @@ function _build_block_template_result_from_post( $post ) {
 
 	$theme          = $terms[0]->name;
 	$template_file  = _get_block_template_file( $post->post_type, $post->post_name );
-	$has_theme_file = wp_get_theme()->get_stylesheet() === $theme && null !== $template_file;
+	$has_theme_file = get_stylesheet() === $theme && null !== $template_file;
 
 	$origin           = get_post_meta( $post->ID, 'origin', true );
 	$is_wp_suggestion = get_post_meta( $post->ID, 'is_wp_suggestion', true );
@@ -907,7 +907,7 @@ function get_block_templates( $query = array(), $template_type = 'wp_template' )
 			array(
 				'taxonomy' => 'wp_theme',
 				'field'    => 'name',
-				'terms'    => wp_get_theme()->get_stylesheet(),
+				'terms'    => get_stylesheet(),
 			),
 		),
 	);
@@ -973,7 +973,7 @@ function get_block_templates( $query = array(), $template_type = 'wp_template' )
 			}
 
 			$is_not_custom   = false === array_search(
-				wp_get_theme()->get_stylesheet() . '//' . $template_file['slug'],
+				get_stylesheet() . '//' . $template_file['slug'],
 				wp_list_pluck( $query_result, 'id' ),
 				true
 			);
@@ -1114,7 +1114,7 @@ function get_block_file_template( $id, $template_type = 'wp_template' ) {
 	}
 	list( $theme, $slug ) = $parts;
 
-	if ( wp_get_theme()->get_stylesheet() !== $theme ) {
+	if ( get_stylesheet() !== $theme ) {
 		/** This filter is documented in wp-includes/block-template-utils.php */
 		return apply_filters( 'get_block_file_template', null, $id, $template_type );
 	}
diff --git a/wp-includes/block-template.php b/wp-includes/block-template.php
index 38d8e2b729..19f3b5fb14 100644
--- a/wp-includes/block-template.php
+++ b/wp-includes/block-template.php
@@ -145,7 +145,7 @@ function resolve_block_template( $template_type, $template_hierarchy, $fallback_
 
 	// Find all potential templates 'wp_template' post matching the hierarchy.
 	$query     = array(
-		'theme'    => wp_get_theme()->get_stylesheet(),
+		'theme'    => get_stylesheet(),
 		'slug__in' => $slugs,
 	);
 	$templates = get_block_templates( $query );
diff --git a/wp-includes/blocks/template-part.php b/wp-includes/blocks/template-part.php
index bef49341d7..3837a0a17d 100644
--- a/wp-includes/blocks/template-part.php
+++ b/wp-includes/blocks/template-part.php
@@ -22,7 +22,7 @@ function render_block_core_template_part( $attributes ) {
 	if (
 		isset( $attributes['slug'] ) &&
 		isset( $attributes['theme'] ) &&
-		wp_get_theme()->get_stylesheet() === $attributes['theme']
+		get_stylesheet() === $attributes['theme']
 	) {
 		$template_part_id    = $attributes['theme'] . '//' . $attributes['slug'];
 		$template_part_query = new WP_Query(
diff --git a/wp-includes/class-wp-theme-json-resolver.php b/wp-includes/class-wp-theme-json-resolver.php
index c166283af3..40bc7ab98a 100644
--- a/wp-includes/class-wp-theme-json-resolver.php
+++ b/wp-includes/class-wp-theme-json-resolver.php
@@ -243,13 +243,14 @@ class WP_Theme_JSON_Resolver {
 			_deprecated_argument( __METHOD__, '5.9.0' );
 		}
 
-		$options = wp_parse_args( $options, array( 'with_supports' => true ) );
+		$options  = wp_parse_args( $options, array( 'with_supports' => true ) );
 
 		if ( null === static::$theme || ! static::has_same_registered_blocks( 'theme' ) ) {
 			$theme_json_file = static::get_file_path_from_theme( 'theme.json' );
+			$wp_theme        = wp_get_theme();
 			if ( '' !== $theme_json_file ) {
 				$theme_json_data = static::read_json_file( $theme_json_file );
-				$theme_json_data = static::translate( $theme_json_data, wp_get_theme()->get( 'TextDomain' ) );
+				$theme_json_data = static::translate( $theme_json_data, $wp_theme->get( 'TextDomain' ) );
 			} else {
 				$theme_json_data = array();
 			}
@@ -265,12 +266,12 @@ class WP_Theme_JSON_Resolver {
 			$theme_json_data = $theme_json->get_data();
 			static::$theme   = new WP_Theme_JSON( $theme_json_data );
 
-			if ( wp_get_theme()->parent() ) {
+			if ( $wp_theme->parent() ) {
 				// Get parent theme.json.
 				$parent_theme_json_file = static::get_file_path_from_theme( 'theme.json', true );
 				if ( '' !== $parent_theme_json_file ) {
 					$parent_theme_json_data = static::read_json_file( $parent_theme_json_file );
-					$parent_theme_json_data = static::translate( $parent_theme_json_data, wp_get_theme()->parent()->get( 'TextDomain' ) );
+					$parent_theme_json_data = static::translate( $parent_theme_json_data, $wp_theme->parent()->get( 'TextDomain' ) );
 					$parent_theme           = new WP_Theme_JSON( $parent_theme_json_data );
 
 					/*
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-controller.php
index f1a9d2482a..9ce931398f 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-controller.php
@@ -564,7 +564,7 @@ class WP_REST_Global_Styles_Controller extends WP_REST_Controller {
 	 * @return WP_REST_Response|WP_Error
 	 */
 	public function get_theme_item( $request ) {
-		if ( wp_get_theme()->get_stylesheet() !== $request['stylesheet'] ) {
+		if ( get_stylesheet() !== $request['stylesheet'] ) {
 			// This endpoint only supports the active theme for now.
 			return new WP_Error(
 				'rest_theme_not_found',
@@ -638,7 +638,7 @@ class WP_REST_Global_Styles_Controller extends WP_REST_Controller {
 	 * @return WP_REST_Response|WP_Error
 	 */
 	public function get_theme_items( $request ) {
-		if ( wp_get_theme()->get_stylesheet() !== $request['stylesheet'] ) {
+		if ( get_stylesheet() !== $request['stylesheet'] ) {
 			// This endpoint only supports the active theme for now.
 			return new WP_Error(
 				'rest_theme_not_found',
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-templates-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-templates-controller.php
index 8f70cda9f1..49e5c8d829 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-templates-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-templates-controller.php
@@ -528,7 +528,7 @@ class WP_REST_Templates_Controller extends WP_REST_Controller {
 			$changes->post_type   = $this->post_type;
 			$changes->post_status = 'publish';
 			$changes->tax_input   = array(
-				'wp_theme' => isset( $request['theme'] ) ? $request['theme'] : wp_get_theme()->get_stylesheet(),
+				'wp_theme' => isset( $request['theme'] ) ? $request['theme'] : get_stylesheet(),
 			);
 		} elseif ( 'custom' !== $template->source ) {
 			$changes->post_name   = $template->slug;
diff --git a/wp-includes/theme-templates.php b/wp-includes/theme-templates.php
index 16bd5e2d77..7ef010eea5 100644
--- a/wp-includes/theme-templates.php
+++ b/wp-includes/theme-templates.php
@@ -27,7 +27,7 @@ function wp_set_unique_slug_on_create_template_part( $post_id ) {
 
 	$terms = get_the_terms( $post_id, 'wp_theme' );
 	if ( ! is_array( $terms ) || ! count( $terms ) ) {
-		wp_set_post_terms( $post_id, wp_get_theme()->get_stylesheet(), 'wp_theme' );
+		wp_set_post_terms( $post_id, get_stylesheet(), 'wp_theme' );
 	}
 }
 
@@ -60,7 +60,7 @@ function wp_filter_wp_template_unique_post_slug( $override_slug, $slug, $post_ID
 	 * in the case of new entities since is too early in the process to have been saved
 	 * to the entity. So for now we use the currently activated theme for creation.
 	 */
-	$theme = wp_get_theme()->get_stylesheet();
+	$theme = get_stylesheet();
 	$terms = get_the_terms( $post_ID, 'wp_theme' );
 	if ( $terms && ! is_wp_error( $terms ) ) {
 		$theme = $terms[0]->name;
diff --git a/wp-includes/version.php b/wp-includes/version.php
index e913c9792d..fcdc7dd2d0 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.2-alpha-54815';
+$wp_version = '6.2-alpha-54817';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.