diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-autosaves-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-autosaves-controller.php
index 43fd8d3b29..2e093f6656 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-autosaves-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-autosaves-controller.php
@@ -307,7 +307,7 @@ class WP_REST_Autosaves_Controller extends WP_REST_Revisions_Controller {
 
 		if ( $request->is_method( 'HEAD' ) ) {
 			// Return early as this handler doesn't add any response headers.
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 		$response  = array();
 		$parent_id = $parent->ID;
@@ -455,7 +455,7 @@ class WP_REST_Autosaves_Controller extends WP_REST_Revisions_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-autosaves-controller.php */
-			return apply_filters( 'rest_prepare_autosave', new WP_REST_Response(), $post, $request );
+			return apply_filters( 'rest_prepare_autosave', new WP_REST_Response( array() ), $post, $request );
 		}
 		$response = $this->revisions_controller->prepare_item_for_response( $post, $request );
 		$fields   = $this->get_fields_for_response( $request );
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-block-pattern-categories-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-block-pattern-categories-controller.php
index 86ee4cdc52..17efc869f8 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-block-pattern-categories-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-block-pattern-categories-controller.php
@@ -83,7 +83,7 @@ class WP_REST_Block_Pattern_Categories_Controller extends WP_REST_Controller {
 	public function get_items( $request ) {
 		if ( $request->is_method( 'HEAD' ) ) {
 			// Return early as this handler doesn't add any response headers.
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 
 		$response   = array();
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-block-types-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-block-types-controller.php
index f167d72255..9b099a44a2 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-block-types-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-block-types-controller.php
@@ -133,7 +133,7 @@ class WP_REST_Block_Types_Controller extends WP_REST_Controller {
 	public function get_items( $request ) {
 		if ( $request->is_method( 'HEAD' ) ) {
 			// Return early as this handler doesn't add any response headers.
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 
 		$data        = array();
@@ -258,7 +258,7 @@ class WP_REST_Block_Types_Controller extends WP_REST_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-block-types-controller.php */
-			return apply_filters( 'rest_prepare_block_type', new WP_REST_Response(), $block_type, $request );
+			return apply_filters( 'rest_prepare_block_type', new WP_REST_Response( array() ), $block_type, $request );
 		}
 
 		$fields = $this->get_fields_for_response( $request );
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php
index 57214ef62e..a0b68759f9 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php
@@ -313,7 +313,7 @@ class WP_REST_Comments_Controller extends WP_REST_Controller {
 			$max_pages      = (int) ceil( $total_comments / $request['per_page'] );
 		}
 
-		$response = $is_head_request ? new WP_REST_Response() : rest_ensure_response( $comments );
+		$response = $is_head_request ? new WP_REST_Response( array() ) : rest_ensure_response( $comments );
 		$response->header( 'X-WP-Total', $total_comments );
 		$response->header( 'X-WP-TotalPages', $max_pages );
 
@@ -1054,7 +1054,7 @@ class WP_REST_Comments_Controller extends WP_REST_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-comments-controller.php */
-			return apply_filters( 'rest_prepare_comment', new WP_REST_Response(), $comment, $request );
+			return apply_filters( 'rest_prepare_comment', new WP_REST_Response( array() ), $comment, $request );
 		}
 
 		$fields = $this->get_fields_for_response( $request );
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-font-collections-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-font-collections-controller.php
index 476f1b750f..3a726681f0 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-font-collections-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-font-collections-controller.php
@@ -113,7 +113,7 @@ class WP_REST_Font_Collections_Controller extends WP_REST_Controller {
 			$items[] = $item;
 		}
 
-		$response = $is_head_request ? new WP_REST_Response() : rest_ensure_response( $items );
+		$response = $is_head_request ? new WP_REST_Response( array() ) : rest_ensure_response( $items );
 
 		$response->header( 'X-WP-Total', (int) $total_items );
 		$response->header( 'X-WP-TotalPages', $max_pages );
@@ -193,7 +193,7 @@ class WP_REST_Font_Collections_Controller extends WP_REST_Controller {
 			 */
 			if ( $request->is_method( 'HEAD' ) ) {
 				/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-font-collections-controller.php */
-				return apply_filters( 'rest_prepare_font_collection', new WP_REST_Response(), $item, $request );
+				return apply_filters( 'rest_prepare_font_collection', new WP_REST_Response( array() ), $item, $request );
 			}
 
 			foreach ( $data_fields as $field ) {
@@ -209,7 +209,7 @@ class WP_REST_Font_Collections_Controller extends WP_REST_Controller {
 		 */
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-font-collections-controller.php */
-			return apply_filters( 'rest_prepare_font_collection', new WP_REST_Response(), $item, $request );
+			return apply_filters( 'rest_prepare_font_collection', new WP_REST_Response( array() ), $item, $request );
 		}
 
 		$response = rest_ensure_response( $data );
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-revisions-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-revisions-controller.php
index e214ab6d39..b80b8d8812 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-revisions-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-global-styles-revisions-controller.php
@@ -248,7 +248,7 @@ class WP_REST_Global_Styles_Revisions_Controller extends WP_REST_Revisions_Contr
 
 			$response = rest_ensure_response( $response );
 		} else {
-			$response = new WP_REST_Response();
+			$response = new WP_REST_Response( array() );
 		}
 
 		$response->header( 'X-WP-Total', (int) $total_revisions );
@@ -291,7 +291,7 @@ class WP_REST_Global_Styles_Revisions_Controller extends WP_REST_Revisions_Contr
 	public function prepare_item_for_response( $post, $request ) {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 
 		$parent               = $this->get_parent( $request['parent'] );
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-pattern-directory-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-pattern-directory-controller.php
index 4dda8b3455..bec92f1c7e 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-pattern-directory-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-pattern-directory-controller.php
@@ -163,7 +163,7 @@ class WP_REST_Pattern_Directory_Controller extends WP_REST_Controller {
 
 		if ( $request->is_method( 'HEAD' ) ) {
 			// Return early as this handler doesn't add any response headers.
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 
 		$response = array();
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php
index 6ead90af59..0a66389346 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php
@@ -111,7 +111,7 @@ class WP_REST_Post_Types_Controller extends WP_REST_Controller {
 	public function get_items( $request ) {
 		if ( $request->is_method( 'HEAD' ) ) {
 			// Return early as this handler doesn't add any response headers.
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 
 		$data  = array();
@@ -186,7 +186,7 @@ class WP_REST_Post_Types_Controller extends WP_REST_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-post-types-controller.php */
-			return apply_filters( 'rest_prepare_post_type', new WP_REST_Response(), $post_type, $request );
+			return apply_filters( 'rest_prepare_post_type', new WP_REST_Response( array() ), $post_type, $request );
 		}
 
 		$taxonomies = wp_list_filter( get_object_taxonomies( $post_type->name, 'objects' ), array( 'show_in_rest' => true ) );
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
index 37b7c6305a..c51915a974 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php
@@ -499,7 +499,7 @@ class WP_REST_Posts_Controller extends WP_REST_Controller {
 			);
 		}
 
-		$response = $is_head_request ? new WP_REST_Response() : rest_ensure_response( $posts );
+		$response = $is_head_request ? new WP_REST_Response( array() ) : rest_ensure_response( $posts );
 
 		$response->header( 'X-WP-Total', (int) $total_posts );
 		$response->header( 'X-WP-TotalPages', (int) $max_pages );
@@ -1847,7 +1847,7 @@ class WP_REST_Posts_Controller extends WP_REST_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php */
-			return apply_filters( "rest_prepare_{$this->post_type}", new WP_REST_Response(), $post, $request );
+			return apply_filters( "rest_prepare_{$this->post_type}", new WP_REST_Response( array() ), $post, $request );
 		}
 
 		$fields = $this->get_fields_for_response( $request );
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php
index 2756e3d751..3b943044d2 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php
@@ -355,7 +355,7 @@ class WP_REST_Revisions_Controller extends WP_REST_Controller {
 
 			$response = rest_ensure_response( $response );
 		} else {
-			$response = new WP_REST_Response();
+			$response = new WP_REST_Response( array() );
 		}
 
 		$response->header( 'X-WP-Total', (int) $total_revisions );
@@ -591,7 +591,7 @@ class WP_REST_Revisions_Controller extends WP_REST_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-revisions-controller.php */
-			return apply_filters( 'rest_prepare_revision', new WP_REST_Response(), $post, $request );
+			return apply_filters( 'rest_prepare_revision', new WP_REST_Response( array() ), $post, $request );
 		}
 
 		$fields = $this->get_fields_for_response( $request );
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-search-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-search-controller.php
index 345a200c67..1168580d41 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-search-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-search-controller.php
@@ -165,7 +165,7 @@ class WP_REST_Search_Controller extends WP_REST_Controller {
 			);
 		}
 
-		$response = $is_head_request ? new WP_REST_Response() : rest_ensure_response( $results );
+		$response = $is_head_request ? new WP_REST_Response( array() ) : rest_ensure_response( $results );
 		$response->header( 'X-WP-Total', $total );
 		$response->header( 'X-WP-TotalPages', $max_pages );
 
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php
index 95a24cf53e..aba1773884 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php
@@ -121,7 +121,7 @@ class WP_REST_Sidebars_Controller extends WP_REST_Controller {
 	public function get_items( $request ) {
 		if ( $request->is_method( 'HEAD' ) ) {
 			// Return early as this handler doesn't add any response headers.
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 
 		$this->retrieve_widgets();
@@ -329,7 +329,7 @@ class WP_REST_Sidebars_Controller extends WP_REST_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php */
-			return apply_filters( 'rest_prepare_sidebar', new WP_REST_Response(), $raw_sidebar, $request );
+			return apply_filters( 'rest_prepare_sidebar', new WP_REST_Response( array() ), $raw_sidebar, $request );
 		}
 
 		$id      = $raw_sidebar['id'];
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php
index b7492c8150..082067b23e 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php
@@ -115,7 +115,7 @@ class WP_REST_Taxonomies_Controller extends WP_REST_Controller {
 	public function get_items( $request ) {
 		if ( $request->is_method( 'HEAD' ) ) {
 			// Return early as this handler doesn't add any response headers.
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 
 		// Retrieve the list of registered collection query parameters.
@@ -217,7 +217,7 @@ class WP_REST_Taxonomies_Controller extends WP_REST_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-taxonomies-controller.php */
-			return apply_filters( 'rest_prepare_taxonomy', new WP_REST_Response(), $taxonomy, $request );
+			return apply_filters( 'rest_prepare_taxonomy', new WP_REST_Response( array() ), $taxonomy, $request );
 		}
 
 		$base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
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 45e0d59d5b..3f13968ae2 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
@@ -271,7 +271,7 @@ class WP_REST_Templates_Controller extends WP_REST_Controller {
 	public function get_items( $request ) {
 		if ( $request->is_method( 'HEAD' ) ) {
 			// Return early as this handler doesn't add any response headers.
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 
 		$query = array();
@@ -675,7 +675,7 @@ class WP_REST_Templates_Controller extends WP_REST_Controller {
 	public function prepare_item_for_response( $item, $request ) {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 
 		/*
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php
index d927ba5e04..72632fa96a 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php
@@ -370,7 +370,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 			}
 		}
 
-		$response = $is_head_request ? new WP_REST_Response() : rest_ensure_response( $response );
+		$response = $is_head_request ? new WP_REST_Response( array() ) : rest_ensure_response( $response );
 
 		// Store pagination values for headers.
 		$per_page = (int) $prepared_args['number'];
@@ -899,7 +899,7 @@ class WP_REST_Terms_Controller extends WP_REST_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-terms-controller.php */
-			return apply_filters( "rest_prepare_{$this->taxonomy}", new WP_REST_Response(), $item, $request );
+			return apply_filters( "rest_prepare_{$this->taxonomy}", new WP_REST_Response( array() ), $item, $request );
 		}
 
 		$fields = $this->get_fields_for_response( $request );
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php
index 3995bd1816..78e1b38b1b 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php
@@ -384,7 +384,7 @@ class WP_REST_Users_Controller extends WP_REST_Controller {
 			}
 		}
 
-		$response = $is_head_request ? new WP_REST_Response() : rest_ensure_response( $users );
+		$response = $is_head_request ? new WP_REST_Response( array() ) : rest_ensure_response( $users );
 
 		// Store pagination values for headers then unset for count query.
 		$per_page = (int) $prepared_args['number'];
@@ -1032,7 +1032,7 @@ class WP_REST_Users_Controller extends WP_REST_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-users-controller.php */
-			return apply_filters( 'rest_prepare_user', new WP_REST_Response(), $user, $request );
+			return apply_filters( 'rest_prepare_user', new WP_REST_Response( array() ), $user, $request );
 		}
 
 		$fields = $this->get_fields_for_response( $request );
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php
index cd0aef0c87..1eb1ef27eb 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php
@@ -147,7 +147,7 @@ class WP_REST_Widget_Types_Controller extends WP_REST_Controller {
 	public function get_items( $request ) {
 		if ( $request->is_method( 'HEAD' ) ) {
 			// Return early as this handler doesn't add any response headers.
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 
 		$data = array();
@@ -306,7 +306,7 @@ class WP_REST_Widget_Types_Controller extends WP_REST_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php */
-			return apply_filters( 'rest_prepare_widget_type', new WP_REST_Response(), $widget_type, $request );
+			return apply_filters( 'rest_prepare_widget_type', new WP_REST_Response( array() ), $widget_type, $request );
 		}
 
 		$fields = $this->get_fields_for_response( $request );
diff --git a/wp-includes/rest-api/endpoints/class-wp-rest-widgets-controller.php b/wp-includes/rest-api/endpoints/class-wp-rest-widgets-controller.php
index 2a154693a1..52a42258ed 100644
--- a/wp-includes/rest-api/endpoints/class-wp-rest-widgets-controller.php
+++ b/wp-includes/rest-api/endpoints/class-wp-rest-widgets-controller.php
@@ -138,7 +138,7 @@ class WP_REST_Widgets_Controller extends WP_REST_Controller {
 	public function get_items( $request ) {
 		if ( $request->is_method( 'HEAD' ) ) {
 			// Return early as this handler doesn't add any response headers.
-			return new WP_REST_Response();
+			return new WP_REST_Response( array() );
 		}
 
 		$this->retrieve_widgets();
@@ -686,7 +686,7 @@ class WP_REST_Widgets_Controller extends WP_REST_Controller {
 		// Don't prepare the response body for HEAD requests.
 		if ( $request->is_method( 'HEAD' ) ) {
 			/** This filter is documented in wp-includes/rest-api/endpoints/class-wp-rest-widgets-controller.php */
-			return apply_filters( 'rest_prepare_widget', new WP_REST_Response(), $widget, $request );
+			return apply_filters( 'rest_prepare_widget', new WP_REST_Response( array() ), $widget, $request );
 		}
 
 		$parsed_id = wp_parse_widget_id( $widget_id );
diff --git a/wp-includes/version.php b/wp-includes/version.php
index 2f55062313..7cd0e403dc 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.8-beta1-59969';
+$wp_version = '6.8-beta1-59970';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.