The latest version is WooCommerce Mix and Match Products 2.9.6, Released on November 3, 2026
Here’s what’s changed in WooCommerce Mix and Match Products Version 2.9.6
* Update: Tested up to WooCommerce 11.2.0.
* Fix: "Undefined array key" warnings in `cart_shipping_packages()` when WooCommerce Multilingual translates the cart after a language switch, or whenever child items change keys or leave the cart during a request. Child items were left out of the container's shipping weight and value for that calculation. `wc_mnm_get_child_cart_items()` and `wc_mnm_get_cart_item_container()` no longer cache their results, so they always reflect the current cart contents.
* Fix: Container cart validation could miss child items that were removed from the cart earlier in the same request.
* Fix: Remove debugging output from the "Some items you have selected are no longer available" notice.
* Fix: Fatal error after updating from 2.9.4 or earlier when PHP OPcache still held the old autoloader, which pointed to the Not Sold Separately feature's previous location in `includes/features/not-sold-separately/`. Stub files at the old paths now load the classes from `src/Features/NotSoldSeparately/`.
View the full WooCommerce Mix and Match Products Changelog
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