* 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.