* Fix - Resolved a fatal error triggered with WooCommerce 9.1, when tracking and legacy Order data storage were enabled.
* Tweak - Improved adding bundles to the cart programmatically: support overriding bundled item properties.
* Important: New - Product Bundles now requires Product Add-Ons 6.9+ for the integration between the two plugins to work.
* Fix - Fixed bundle_stock_status enum in REST API.
* Fix - Fixed price data for percentage-based add-ons in discounted bundled items.
* Fix - Resolved an issue that made add-on prices contribute to the total Bundle price even for bundled items that were not 'Priced Individually'.
* Fix - Fixed the use of 'woocommerce_display_product_attributes' filter for displaying variable product attributes in Bundles.
