Add 2.7.0 changelog

Author: Aljullu

readme.txt

@@ -120,6 +120,19 @@ Release and roadmap notes available on the [WooCommerce Developers Blog](https:/
 
 == Changelog ==
 
+= 2.7.0 - 2020-06-08 =
+- bug: Fix bug in Checkout block preventing a retry of credit card payment when first credit card used fails and a new one is tried. [#2655](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2655)
+- bug: Avoid some theme style properties leaking into the Cart and Checkout select controls. [#2647](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2647)
+- bug: Fixes to the product grid blocks in Twenty Twenty: discounted prices are no longer underlined and the On Sale badge is correctly positioned in the All Products block. [#2573](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2573)
+- bug: Improved alignment of credit card validation error messages. [#2662](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2662)
+- bug: Show the 'No shipping methods' placeholder in the editor with the _Checkout_ block if there are shipping methods but all of them are disabled. [#2543](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2543)
+- enhancement: Filter block font sizes have been adjusted to be in line with other blocks. [#2594](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2594)
+- enhancement: The All Products block and the other product grid blocks now share more styles and the markup is more similar (see release post or docs to learn how to undo this change). [#2428](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2428) [DN]
+- enhancement: The Cart and Checkout blocks now use the heading styles provided by the theme. [#2597](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2597)
+- enhancement: The Cart block titles have been merged into one. [#2615](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2615)
+- enhancement: The item count badges of the Checkout block have been updated so it looks better in light & dark backgrounds. [#2619](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2619)
+- enhancement: Checkout step progress indicator design has been updated to match the theme headings style. [#2649](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2649)
+
 = 2.6.1 - 2020-06-01 =
 
 - fix: Updated the wc_reserved_stock table for compatibility with versions of MySql < 5.6.5. [#2590](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/2590)