1
Extra Product Options for WooCommerce (ThemeHigh) Included
Main plugin file declares cart_checkout_blocks compatibility.
100feature score
WordPress WooCommerce Product Add-ons & Options Plugins with Block checkout compatible
Works with the WooCommerce Cart and Checkout blocks. 5 of the 9 plugins we track include it.
2
Product Addons for WooCommerce (Acowebs) Partial
Changelog shows display fixes for Cart/Checkout blocks, but no formal compatibility declaration.
97feature score
3
WooCommerce Product Options by Barn2 Included
Vendor says it integrates with WooCommerce blocks; cart editing is classic-cart only.
100feature score
4
YITH WooCommerce Product Add-ons & Extra Options Paid version Premium
Premium 4.8.0 added support for WooCommerce Blocks on cart and checkout.
95feature score
5
Woo Product Add-Ons Included
Cart and Checkout blocks compatibility declared since version 6.5.0.
80feature score