diff --git a/assets/js/base/utils/lazy-load-script.ts b/assets/js/base/utils/lazy-load-script.ts
index 706b1d305e4..9758ecfd7f6 100644
--- a/assets/js/base/utils/lazy-load-script.ts
+++ b/assets/js/base/utils/lazy-load-script.ts
@@ -26,8 +26,16 @@ interface AppendScriptAttributesParam {
  * This function checks whether an element matching that selector exists.
  * Useful to know if a script has already been appended to the page.
  */
-const isScriptTagInDOM = ( scriptId: string ): boolean => {
-	const scriptElements = document.querySelectorAll( `script#${ scriptId }` );
+const isScriptTagInDOM = ( scriptId: string, src = '' ): boolean => {
+	const srcParts = src.split( '?' );
+	if ( srcParts?.length > 1 ) {
+		src = srcParts[ 0 ];
+	}
+	const selector = src
+		? `script#${ scriptId }, script[src*="${ src }"]`
+		: `script#${ scriptId }`;
+	const scriptElements = document.querySelectorAll( selector );
+
 	return scriptElements.length > 0;
 };
 
@@ -37,7 +45,10 @@ const isScriptTagInDOM = ( scriptId: string ): boolean => {
  */
 const appendScript = ( attributes: AppendScriptAttributesParam ): void => {
 	// Abort if id is not valid or a script with the same id exists.
-	if ( ! isString( attributes.id ) || isScriptTagInDOM( attributes.id ) ) {
+	if (
+		! isString( attributes.id ) ||
+		isScriptTagInDOM( attributes.id, attributes?.src )
+	) {
 		return;
 	}
 	const scriptElement = document.createElement( 'script' );
@@ -92,7 +103,7 @@ const lazyLoadScript = ( {
 	translations,
 }: LazyLoadScriptParams ): Promise< void > => {
 	return new Promise( ( resolve, reject ) => {
-		if ( isScriptTagInDOM( `${ handle }-js` ) ) {
+		if ( isScriptTagInDOM( `${ handle }-js`, src ) ) {
 			resolve();
 		}
 
diff --git a/assets/js/base/utils/preload-script.ts b/assets/js/base/utils/preload-script.ts
index 12b5617b394..bd120523985 100644
--- a/assets/js/base/utils/preload-script.ts
+++ b/assets/js/base/utils/preload-script.ts
@@ -13,9 +13,12 @@ const preloadScript = ( {
 	src,
 	version,
 }: PreloadScriptParams ): void => {
-	const handleScriptElements = document.querySelectorAll(
-		`#${ handle }-js, #${ handle }-js-prefetch`
-	);
+	const srcParts = src.split( '?' );
+	if ( srcParts?.length > 1 ) {
+		src = srcParts[ 0 ];
+	}
+	const selector = `#${ handle }-js, #${ handle }-js-prefetch, script[src*="${ src }"]`;
+	const handleScriptElements = document.querySelectorAll( selector );
 
 	if ( handleScriptElements.length === 0 ) {
 		const prefetchLink = document.createElement( 'link' );
diff --git a/docs/internal-developers/testing/releases/876.md b/docs/internal-developers/testing/releases/876.md
new file mode 100644
index 00000000000..067a53eab5e
--- /dev/null
+++ b/docs/internal-developers/testing/releases/876.md
@@ -0,0 +1,15 @@
+# Testing notes and ZIP for release 8.7.6
+
+Zip file for testing: [woocommerce-gutenberg-products-block.zip](https://github.com/woocommerce/woocommerce-blocks/files/10134947/woocommerce-gutenberg-products-block.zip)
+
+## Feature plugin and package inclusion in WooCommerce
+
+### Mini Cart block: fix compatibility with Page Optimize and Product Bundles plugins [#7794](https://github.com/woocommerce/woocommerce-blocks/pull/7794) [#7813](https://github.com/woocommerce/woocommerce-blocks/pull/7813)
+
+1. Install [Page Optimize](https://wordpress.org/plugins/page-optimize/) and [Product Bundles](https://woocommerce.com/products/product-bundles/).
+2. Enable a block theme.
+3. Customize the block theme and add the Mini Cart block in the header via Site Editor.
+4. Save the changes.
+5. In the frontend, lick on the Mini Cart. The drawer should open and show the "empty cart" message.
+6. Go to the shop page and add a product to your cart.
+7. Click on the Mini Cart. The drawer should open and show the product you just added.
diff --git a/docs/internal-developers/testing/releases/README.md b/docs/internal-developers/testing/releases/README.md
index d19815501fc..7d8e9ec13c9 100644
--- a/docs/internal-developers/testing/releases/README.md
+++ b/docs/internal-developers/testing/releases/README.md
@@ -97,6 +97,7 @@ Every release includes specific testing instructions for new features and bug fi
     -   [8.7.3](./873.md)
     -   [8.7.4](./874.md)
     -   [8.7.5](./875.md)
+    -   [8.7.6](./876.md)
 
 <!-- FEEDBACK -->
 
diff --git a/package.json b/package.json
index b97a8e82ca4..86763fb0772 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
 	"name": "@woocommerce/block-library",
 	"title": "WooCommerce Blocks",
 	"author": "Automattic",
-	"version": "8.7.5",
+	"version": "8.7.6",
 	"description": "WooCommerce blocks for the Gutenberg editor.",
 	"homepage": "https://github.com/woocommerce/woocommerce-gutenberg-products-block/",
 	"keywords": [
diff --git a/readme.txt b/readme.txt
index 5ab4bd0e15f..909d8f2bba9 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Tags: gutenberg, woocommerce, woo commerce, products, blocks, woocommerce blocks
 Requires at least: 6.0
 Tested up to: 6.0
 Requires PHP: 7.0
-Stable tag: 8.7.5
+Stable tag: 8.7.6
 License: GPLv3
 License URI: https://www.gnu.org/licenses/gpl-3.0.html
 
@@ -80,6 +80,13 @@ Release and roadmap notes available on the [WooCommerce Developers Blog](https:/
 
 == Changelog ==
 
+= 8.7.6 - 2022-12-01
+
+#### Bug Fixes
+
+- Mini Cart block: fix compatibility with Page Optimize and Product Bundles plugins [#7794](https://github.com/woocommerce/woocommerce-blocks/pull/7794)
+- Mini Cart block: Load wc-blocks-registry package at the page's load instead of lazy load it [#7813](https://github.com/woocommerce/woocommerce-blocks/pull/7813)
+
 = 8.7.5 - 2022-10-31 =
 
 #### Enhancements
diff --git a/src/BlockTypes/MiniCart.php b/src/BlockTypes/MiniCart.php
index 7de272f5684..ff2b8934b36 100644
--- a/src/BlockTypes/MiniCart.php
+++ b/src/BlockTypes/MiniCart.php
@@ -103,7 +103,7 @@ protected function get_block_type_script( $key = null ) {
 		$script = [
 			'handle'       => 'wc-' . $this->block_name . '-block-frontend',
 			'path'         => $this->asset_api->get_block_asset_build_path( $this->block_name . '-frontend' ),
-			'dependencies' => [],
+			'dependencies' => [ 'wc-blocks-registry' ],
 		];
 		return $key ? $script[ $key ] : $script;
 	}
@@ -273,7 +273,7 @@ protected function append_script_and_deps_src( $script ) {
 				}
 			}
 		}
-		if ( ! $script->src ) {
+		if ( ! $script->src || 'wc-blocks-registry' === $script->handle ) {
 			return;
 		}
 
diff --git a/src/Package.php b/src/Package.php
index 4fb9620fe0a..a4badec7884 100644
--- a/src/Package.php
+++ b/src/Package.php
@@ -109,7 +109,7 @@ public static function container( $reset = false ) {
 				NewPackage::class,
 				function ( $container ) {
 					// leave for automated version bumping.
-					$version = '8.7.5';
+					$version = '8.7.6';
 					return new NewPackage(
 						$version,
 						dirname( __DIR__ ),
diff --git a/woocommerce-gutenberg-products-block.php b/woocommerce-gutenberg-products-block.php
index a314f3d5c13..97164368d89 100644
--- a/woocommerce-gutenberg-products-block.php
+++ b/woocommerce-gutenberg-products-block.php
@@ -3,7 +3,7 @@
  * Plugin Name: WooCommerce Blocks
  * Plugin URI: https://github.com/woocommerce/woocommerce-gutenberg-products-block
  * Description: WooCommerce blocks for the Gutenberg editor.
- * Version: 8.7.5
+ * Version: 8.7.6
  * Author: Automattic
  * Author URI: https://woocommerce.com
  * Text Domain:  woo-gutenberg-products-block