Enable HPOS in WooCommerce

HPOS (High-Performance Order Storage) improves order performance in WooCommerce. You can enable it via code. For more on enabling HPOS in WooCommerce.

add_action( 'before_woocommerce_init', function() {
	if ( class_exists( AutomatticWooCommerceUtilitiesFeaturesUtil::class ) ) {
		AutomatticWooCommerceUtilitiesFeaturesUtil::declare_compatibility( 'custom_order_tables', __FILE__, true );
	}
} );

Then enable it under WooCommerce > Settings > Advanced > Features.