Update readme.txt

Author: albarin

readme.txt

@@ -86,6 +86,22 @@ Release and roadmap notes available on the [WooCommerce Developers Blog](https:/
 
 == Changelog ==
 
+= 8.1.0 - 2022-07-18 =
+
+#### Enhancements
+
+- Update WooCommerce block template descriptions. ([6667](https://github.com/woocommerce/woocommerce-blocks/pull/6667))
+- Add filter URL support to filter blocks when filtering for All Products block. ([6642](https://github.com/woocommerce/woocommerce-blocks/pull/6642))
+- Add: Allow choosing between single and multiple sections. ([6620](https://github.com/woocommerce/woocommerce-blocks/pull/6620))
+- Refactor: Move paymentMethodDataProvider into a data store. ([6208](https://github.com/woocommerce/woocommerce-blocks/pull/6208))
+- Cart endpoint for Store API (/wc/store/cart) now features cross-sell items based on cart contents. ([6635](https://github.com/woocommerce/woocommerce-blocks/pull/6635))
+
+#### Bug Fixes
+
+- Prevent Featured Product block from breaking when product is out of stock + hidden from catalog. ([6640](https://github.com/woocommerce/woocommerce-blocks/pull/6640))
+- Fix: Update billing address when shipping address gets change in Cart block. ([6591](https://github.com/woocommerce/woocommerce-blocks/pull/6591))
+- Contrast improvement for checkout error messages when displayed over a theme's dark mode. ([6292](https://github.com/woocommerce/woocommerce-blocks/pull/6292))
+
 = 8.0.0 - 2022-07-04 =
 
 #### Enhancements