The latest version is WooCommerce Mix and Match Products 2.9.1, Released on August 20, 2026
Here’s what’s changed in WooCommerce Mix and Match Products Version 2.9.1
* Fix: Undefined variable `$child_order_item_id` PHP warning in `wc_mnm_get_order_item_container()` on every uncached lookup, introduced by a stale merge in 2.9.0.
* Fix: Fatal error rendering any Print Invoices and Packing Lists document when PIP is older than 3.14.3, introduced by a stale merge in 2.9.0.
* Fix: `wc_mnm_order_item_container_size_meta_value` filter parameters corrected to container level `$args, $container_item_hash`.
* Fix: Remove unused `$context` param from `is_in_stock()` and `is_purchasable()` methods in the `WC_MNM_Child_Item` class.
* Fix: Add missing `_wc_mnm_packing_mode` meta key when creating a new order item for a Mix and Match product in the admin.
View the full WooCommerce Mix and Match Products Changelog
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