WooCommerce 4.0 came out on 10.03.2020 with great new major features. Here is complete list of all changes in WC 4.0.

WooCommerce 4.0 Changelog

WooCommerce 4.0.0 – 2020-03-10 list of all 52 changes:

  • Enhancement – Included information about packages in the System Status Report. #25584
  • Enhancement – New WooCommerce Admin. #25011
  • Enhancement – Update dependency woocommerce/woocommerce-blocks to v2.5.12 #25587
  • Enhancement – Updated Action Scheduler to 3.0.1. #25566
  • Performance – Improved the client-side preparation for variation saving. #25382
  • Tweak – Enhance order details and payment summary. #25504
  • Tweak – Increase new onboarding group test to 50%. #25501
  • Tweak – Increased range and precision for min_price and max_price in the product meta lookup table. #25253
  • Tweak – Move action scheduler to external via composer. #25404
  • Tweak – Only update the customer IP address when order gets created from admin. #25137
  • Tweak – Remove WooCommerce Admin install alert. #25502
  • Tweak – Removed WC Admin from the Setup Wizard if it’s already active. #25562
  • Tweak – Set email header table width to 100% for full width. #25294
  • Tweak – Simplified MaxMind integration title. #25522
  • Tweak – Update ‘Country’ to ‘Country / Region’ label. #25530
  • Tweak – WooCommerce.com plugins auto-install and update improvement. #25532
  • Fix – Add missing closing tag. #25319
  • Fix – Added validation to the cost field for flat rate shipping. #24919
  • Fix – Address in shipping calculator malformed for Canada. #25149
  • Fix – Adjusted package shipping rates to only be visible when a full address is entered. #25128
  • Fix – Check for WooCommerce Admin feature plugin class before adding install notice. #25395
  • Fix – Corrected the performance issues caused by the Cash-On-Delivery plugin’s initialization process. #25512
  • Fix – Duplicate webhook deliveries. #25183
  • Fix – Fix fatal error that would occur when calling the WC_Payment_Gateways::set_current_gateway() function and there is no WC session. #25322
  • Fix – Fixed adding multiple items to cart from any product listing page. #24818
  • Fix – Fixed get_discount function return type. #25567
  • Fix – Fixed possible multiple is_vat_exempt order meta in order creation. #25426
  • Fix – Fixed wrong context help for translators. #25496
  • Fix – Make WC_Shipping::is package shippable less strict. #25386
  • Fix – Prevent undefined wp_delete_user() error while removing inactive accounts. #25489
  • Fix – Removed constants and autoloader from the uninstall script. #25589
  • Fix – Removed the lowercase conversion for product search terms that caused incorrect results to case sensitive searches. #25314
  • Fix – Restored the default behavior of “Shipping destination” option. #25571
  • Fix – Set image CSS on emails to be max-width: 100% so that they don’t break the email template. #24764
  • Fix – Setup wizard shipping setup verification logic correction. #25540
  • Dev – Added support for placeholder attribute in quantity inputs. #25418
  • Dev – Added tax_status and tax_class columns to the product meta data lookup table. #25428
  • Dev – Introduced woocommerce_top_rated_widget_args filter. #25320
  • Dev – Introduced woocommerce_admin_process_variation_object hook. #24929
  • Dev – Added actions before and after grouped product list to allow adding custom rows. #25093
  • Dev – Added filter to tweak whether a product has enough stock while attempting to pay for an order. #25230
  • Dev – Added the automattic/jetpack-constants package and replace PHP constant definition checks with it. #25516
  • Dev – Added a triggerHandler called checkout_place_order_success on a successful order during the checkout process. #25289
  • Dev – Allow filtering of default meta value inside WC_Data::get_meta even if meta key not found. #24066
  • Dev – Includes Emogrifier composer package instead of including into includes/libraries. #25525
  • Dev – Introduce WC_Countries::get_vat_countries for returning a list of countries that uses VAT and refactor WC_Countries::get_european_union_countries with backward compatibility and deprecation to remove the VAT functionality from there. Brexit, remove GB from WC_Countries::get_european_union_countries. #24943
  • Dev – Introduced woocommerce_download_product_filepath filter. #25485
  • Dev – Introduced woocommerce_email_content_type filter. #25405
  • Dev – Updated woocommerce_email_from_name and woocommerce_email_from_address filter arguments to include wp_email() default data. #25405
  • Dev – Introduced woocommerce_shortcode_products_query_results filter. #25573
  • Dev – Removed hash_equals() polyfill as it was no longer needed. #25474
  • Dev – Removed unused .order-actions CSS. #25581

== WooCommerce 4.0 Upgrade Notice ==

WooCommerce 4.0 is a major update. Make a full site backup, update your theme and extensions, and review update best practices before upgrading.




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