Release: 4.0.0 (https://github.com/woocommerce/woocommerce-blocks/pull/3509)

* generating changeset for pull request

* generating changeset for pull request

* Update readme changelog

* Update requirements

* Testing instructions

* Update zip file

* Update nonce outside of json parse

* Set logged in cookie on store api requests

* Update zip

Co-authored-by: github-actions <github-actions@github.com>
Co-authored-by: Mike Jolley <mike.jolley@me.com>

plugins/woocommerce-blocks/assets/js/base/context/cart-checkout/checkout/processor/index.js

@@ -222,7 +222,6 @@ const CheckoutProcessor = () => {
 				} );
 			} )
 			.catch( ( errorResponse ) => {
-				errorResponse.json().then( function ( response ) {
 				// Update nonce.
 				triggerFetch.setNonce( errorResponse.headers );
 
@@ -233,6 +232,7 @@ const CheckoutProcessor = () => {
 					);
 				}
 
+				errorResponse.json().then( function ( response ) {
 					// If updated cart state was returned, update the store.
 					if ( response.data?.cart ) {
 						receiveCart( response.data.cart );

plugins/woocommerce-blocks/docs/testing/releases/390.md

@@ -1,4 +1,4 @@
-## Testing notes and ZIP for release 3.8.0
+## Testing notes and ZIP for release 3.9.0
 
 Zip file for testing: [woocommerce-gutenberg-products-block.zip](https://github.com/woocommerce/woocommerce-gutenberg-products-block/files/5597018/woocommerce-gutenberg-products-block.zip)
 

plugins/woocommerce-blocks/docs/testing/releases/400.md

@@ -0,0 +1,106 @@
+## Testing notes and ZIP for release 4.0.0
+
+Zip file for testing: [woocommerce-gutenberg-products-block.zip](https://github.com/woocommerce/woocommerce-gutenberg-products-block/files/5654619/woocommerce-gutenberg-products-block.zip)
+
+## Feature plugin and package inclusion in WooCommerce core
+
+### Input appearance in IE 11 (Create IE11 SCSS mixin)
+
+Setup:
+
+* Create a Products Block, Filter by Price Block, and Checkout Block.
+
+Testing:
+
+- [ ] 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.
+
+## Feature plugin only
+
+### Fix notice close button color in Twenty Twenty One dark mode
+
+Setup:
+
+* Install and activate Twenty Twenty One.
+* Go to Customize > Colors & Dark mode and check the Dark mode support checkbox.
+* In the frontend, make sure the dark mode is enabled and go to a page with the Checkout block.
+
+Testing:
+
+* [ ] Try submitting the form leaving one of the required inputs empty so the error notice appears.
+* [ ] Verify the close button is visible.
+
+### Ensure correct alignment of checkout notice's dismiss button
+
+Setup:
+
+* Enable Storefront theme
+* Add an item to the cart and go to the checkout block
+
+Testing:
+
+* [ ] Leave a required field on the checkout form blank and attempt checkout
+* [ ] Ensure the error notice's dismiss button is aligned to the right
+
+See screenshot in https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3455.
+
+### Fix notices in console on Checkout (Update @wordpress/components to v. 11.1.1 and @wordpress/base-styles to v. 3.2.0)
+
+Setup:
+
+* Add the checkout block to a page. 
+* Add an item to your cart, and go to checkout.
+
+Testing:
+
+* [ ] Change the value of the Country/Region select.
+* [ ] Verify no errors appear in the browser console.
+
+### Checkout block: Fixes around account creation and coupon validation
+
+Setup:
+
+* Create a coupon with a usage requirement of a specific email address.
+* Enable registration during checkout.
+* Add the checkout block to a page. 
+* Add an item to your cart, apply the coupon, and go to checkout.
+
+Testing:
+
+* [ ] Fill out the checkout form, and indicate that you would like to create an account. Use an email address different to the coupon restriction. Submit the form.
+* [ ] Confirm a coupon error appears, and the create account signup box is hidden.
+* [ ] Submit the form again. Order should go through without error.
+
+### Remove held stock for a draft order if an item is removed from the cart
+
+Setup:
+
+* Setup a stock managed item with 1 in stock
+* Add that 1 item to the cart
+* Go to checkout
+* Go back to the cart and remove the item from your cart
+
+Testing:
+
+* [ ] From another device or in another browser, add the same item to the cart. No stock errors should be shown.
+
+### Make sure cart is initialized before the CartItems route is used in the Store API
+
+Setup:
+
+You need to use the StoreAPI. Add an item to your cart via the API (replacing the product ID with one from your store).
+
+POST `https://yourstore.test/wp-json/wc/store/cart/add-item`
+
+```
+{
+	"id": 163,
+	"quantity":1
+}
+```
+
+Testing: 
+
+* [ ] GET the following endpoint: `https://yourstore.test/wp-json/wc/store/cart/items`. There should be a valid response with response code 200.

plugins/woocommerce-blocks/docs/testing/releases/README.md

@@ -17,3 +17,4 @@ Every release includes specific testing instructions for new features and bug fi
     - [3.7.1](./371.md)
 - [3.8.0](./380.md)
 - [3.9.0](./390.md)
+- [4.0.0](./400.md)

plugins/woocommerce-blocks/package.json

@@ -2,7 +2,7 @@
 	"name": "@woocommerce/block-library",
 	"title": "WooCommerce Blocks",
 	"author": "Automattic",
-	"version": "4.0.0-dev",
+	"version": "4.0.0",
 	"description": "WooCommerce blocks for the Gutenberg editor.",
 	"homepage": "https://github.com/woocommerce/woocommerce-gutenberg-products-block/",
 	"keywords": [

plugins/woocommerce-blocks/readme.txt

@@ -4,7 +4,7 @@ Tags: gutenberg, woocommerce, woo commerce, products, blocks, woocommerce blocks
 Requires at least: 5.3
 Tested up to: 5.6
 Requires PHP: 7.0
-Stable tag: 4.0.0-dev
+Stable tag: 4.0.0
 License: GPLv3
 License URI: https://www.gnu.org/licenses/gpl-3.0.html
 
@@ -45,9 +45,9 @@ Use this plugin if you want access to the bleeding edge of available blocks for
 = Minimum Requirements =
 
 * WordPress 5.3 or greater
-* WooCommerce 4.2 or greater
-* PHP version 5.6 or greater (PHP 7.2 or greater is recommended)
-* MySQL version 5.0 or greater (MySQL 5.6 or greater is recommended)
+* WooCommerce 4.3 or greater
+* PHP version 7.0 or greater (PHP 7.4 or greater is recommended)
+* MySQL version 5.6 or greater
 
 Visit the [WooCommerce server requirements documentation](https://docs.woocommerce.com/document/server-requirements/) for a detailed list of server requirements.
 
@@ -85,6 +85,25 @@ Release and roadmap notes available on the [WooCommerce Developers Blog](https:/
 
 == Changelog ==
 
+= 4.0.0 - 2020-12-07 =
+
+#### Enhancements
+
+- Dev: Change register_endpoint_data to use an array of params instead of individual params. ([3478](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3478))
+- Dev: Expose store/cart via ExtendRestApi to extensions. ([3445](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3445))
+- Dev: Added formatting classes to the Store API for extensions to consume.
+
+#### Bug Fixes
+
+- Checkout block: Prevent `Create an account` from creating up a user account if the order fails coupon validation. ([3423](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3423))
+- Make sure cart is initialized before the CartItems route is used in the Store API. ([3488](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3488))
+- Fix notice close button color in Twenty Twenty One dark mode. ([3472](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3472))
+- Remove held stock for a draft order if an item is removed from the cart. ([3468](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3468))
+- Ensure correct alignment of checkout notice's dismiss button. ([3455](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3455))
+- Fixed a bug in Checkout block (Store API) causing checkout to fail when using an invalid coupon and creating an account.
+- Checkout block: Correctly handle cases where the order fails with an error (e.g. invalid coupon) and a new user account is created. ([3429](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3429))
+- Dev: Refactored and reordered Store API checkout processing to handle various edge cases and better support future extensibility. ([3454](https://github.com/woocommerce/woocommerce-gutenberg-products-block/pull/3454))
+
 = 3.9.0 - 2020-11-25 =
 
 See release post [here](https://developer.woocommerce.com/?p=8234)

plugins/woocommerce-blocks/src/Package.php

@@ -106,7 +106,7 @@ class Package {
 				NewPackage::class,
 				function ( $container ) {
 					// leave for automated version bumping.
-					$version = '4.0.0-dev';
+					$version = '4.0.0';
 					return new NewPackage(
 						$version,
 						dirname( __DIR__ ),

plugins/woocommerce-blocks/src/RestApi.php

@@ -36,6 +36,7 @@ class RestApi {
 	protected function init() {
 		add_action( 'rest_api_init', array( $this, 'register_rest_routes' ), 10 );
 		add_filter( 'rest_authentication_errors', array( $this, 'store_api_authentication' ) );
+		add_action( 'set_logged_in_cookie', array( $this, 'store_api_logged_in_cookie' ) );
 	}
 
 	/**
@@ -81,6 +82,19 @@ class RestApi {
 		return true;
 	}
 
+	/**
+	 * When the login cookies are set, they are not available until the next page reload. For the Store API, specifically
+	 * for returning updated nonces, we need this to be available immediately.
+	 *
+	 * @param string $logged_in_cookie The value for the logged in cookie.
+	 */
+	public function store_api_logged_in_cookie( $logged_in_cookie ) {
+		if ( ! defined( 'LOGGED_IN_COOKIE' ) || ! self::is_request_to_store_api() ) {
+			return;
+		}
+		$_COOKIE[ LOGGED_IN_COOKIE ] = $logged_in_cookie;
+	}
+
 	/**
 	 * Check if is request to the Store API.
 	 *

plugins/woocommerce-blocks/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: 4.0.0-dev
+ * Version: 4.0.0
  * Author: Automattic
  * Author URI: https://woocommerce.com
  * Text Domain:  woo-gutenberg-products-block