Reply To: Quick buy with swatches

Hello,

You need to edit your product and in the data section check the option “Stock Management:
https://ibb.co/HF0hmW7

Then, Navigate to the variation tab and in the variation settings set the variation out of stock.
https://ibb.co/fDfKtFx

Then, You need to hide out-of-stock products from the catalog. Navigate to Woocommerce > Settings > Product > Inventory and you will find this option.

In this case the out of stock variation will be hidden from the shop page.
https://ibb.co/KNJqcZh

Best Regards.