* Important: Requires WordPress 5.0.
* New: Eliminated dynamic properties on objects. Resolves warning notices in PHP 8.2+. (Important! If using Not Sold Separately, you will need to upgrade to 2.4 of later:
Release 2.4.0 · kathyisawesome/wc-not-sold-separately)
* New: Introduce wp.hooks actions `wc-mnm-initialize.${product_type}` and `wc.mnm.container.container-updated` and filter `wc.mnm.container.update_order_item_data` for compatibility with mini-extensions. NB: This replaces the experimental `wc_mnm_update_container_order_item_data` triggerHandler and the Javascript `wc-mnm-initialize.${product_type}` custom event in the order metabox scripts.
* Fix: Show child item availability/stock status if container has insufficient stock.
* Tweak: Add grayscale effect to out of stock child items.
* Tweak: Style compatibility tweak for quantity input alignment in Twenty TwentyFour theme.