If you want to try WooCommerce HPOS in your website and it says some plugins are incompatible with HPOS, then you should check those plugins’ code first.
First make sure their codes don’t contain “update_post_meta or get_post_meta for orders. (for products it is ok). If they have, it can cause a problem.
If you are sure that the incompatible plugin has nothing to do with HPOS and doesn’t affect order processing, then you can claim it is compatible – without modifying its source code.
Open your theme’s functions.php and place such a block there:Continue reading “How to Force a Plugin to Claim Compatibility with WooCommerce HPOS”