Updated Release Testing Instructions WooCommerce 4.9 (markdown)

Release-Testing-Instructions-WooCommerce-4.9.md

@@ -7,8 +7,10 @@ WooCommerce 4.9 includes:
   - [Customer Effort Score](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-4.9#customer-effort-score)
 - [WooCommerce Product Blocks Updates:](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-4.9#woocommerce-product-blocks-updates)
   - [Input appearance in IE 11 (Create IE11 SCSS mixin)](https://github.com/woocommerce/woocommerce/wiki/Release-Testing-Instructions-WooCommerce-4.9#input-appearance-in-ie-11-create-ie11-scss-mixin)
-- WooCommerce Core Updates:
+- [WooCommerce Core Updates:]()
-  - TBD
+  - [Stock management regression fixes]()
+  - [Review count failure fix]()
+  - [Better error messages when coupons are stuck in a pending order]()
 
 ## WooCommerce Admin Updates:
 
@@ -154,4 +156,27 @@ Create a Products Block, Filter by Price Block, and Checkout Block.
 - With IE11, check that there are no visual regressions in the Filter products by price block.
 - With IE11, check that there are no visual regressions in the checkboxes of the Checkout block.
 
-See screenshots in https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3473.
+See screenshots in https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3473.
+
+
+***
+
+## WooCommerce Core Updates:
+
+### Stock management regression fixes
+
+PR for reference: https://github.com/woocommerce/woocommerce/pull/28620
+
+**To test:**
+
+### Review count failure fix
+
+PR for reference: https://github.com/woocommerce/woocommerce/pull/28624
+
+**To test:**
+
+### Better error messages when coupons are stuck in a pending order
+
+PR for reference: https://github.com/woocommerce/woocommerce/pull/28592
+
+**To test:**