* Tweak - Introduced admin validation to ensure that add-on titles do not exceed 255 characters.
* Tweak - Introduced the 'woocommerce_addons_product_page_container_classes' filter to add additional classes to the container add-on elements on the product page.
* Tweak - Updated the description for the 'Use Global add-ons?' option.
* Fix - Fixed the display of negative add-on prices.
* Fix - Updated the image swatches template to display only the add-on name on hover when its price is 0.
* Fix - Fixed a pagination issue with global add-ons.
* New - Added onboarding.
* Tweak - Important: Re-designed Product Data > Add-ons and Products > Add-ons tabs.
* Tweak - Important: Updated the process of importing/exporting add-ons to require fewer clicks.
* Tweak - Important: Moved the 'Show incomplete subtotals' setting to WooCommerce > Settings > Products > Add-ons.
* Fix - Resolved an issue that made add-ons show up twice when paying for failed subscription orders.
* Tweak - Declared compatibility with the cart/checkout Blocks.
* Tweak - Used admin theme colors in admin.
* Tweak - Displayed WC Admin bar on Global Product add-ons pages.
* Fix - Resolved an issue that accidentally selected image swatches in mobile screens while scrolling.
* Tweak - Important: Updated the 'addon-start' template and added the tax status data attribute.
* Fix - Fixed an issue that made tax suffixes show up in non-taxable products with add-ons.
* Fix - Fixed a PHP warning triggered by a duplication of the 'apply_filters_deprecated' call.
* Fix - Resolved an issue that prevented some of the selected checkbox from being added to the cart when ordering again.
* Fix - Resolved an issue that threw a validation error when renewing a subscription with required add-ons.
* Fix - Fixed an issue that prevented addons totals from showing up if required Addons were selected before variations.
* Tweak - Introduced basic telemetry to collect data on extension usage when tracking is enabled.
* Fix - Fixed an issue that prevented addon totals from showing up when at least one checkbox or radio button was selected.
* Fix - Display a notice when users fill in a negative value in quantity addons.
* New - Important: Updated addons templates and removed addons titles from element attributes.
* Fix - Fixed an issue that disabled addons validation when an addon had non-Latin characters in its title.
Fix - Fixed an issue that made users select all options in required checkboxes
* Tweak - Introduced compatibility with the new High-Performance Order Storage.
* Fix - Removed unnecessary meta boxes sanitization.
* Fix - Resolved an issue that made addons with identical titles show up multiple times in the cart when re-ordering.