Please add a tick mark for settings in backend so pre order products and non pre order products can be purchased at once. Commenting out add_filter( ‘woocommerce_add_to_cart_validation’, array( $this, ‘validate_cart’ ), 15, 2 ); on every update is troublesome and users are unable to purchase both at same time and it effects on sales.
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Last updated: January 2, 2026
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That’s a reasonable request, constantly overriding the woocommerce_add_to_cart_validation hook isn’t maintainable. A backend toggle to allow mixing pre-order and regular products would solve both UX and update issues, have you considered submitting it as a feature request or patch to the plugin dev?