Anonymous Checkbox location

I have just updated the plugin which contains the updated script and added the script to my theme functions, but it is not working / running? I did some debug logging but the filter is not running. Any idea what is going wrong?

P.s. I saw you added plugin option to redirect to cart instead checkout, perfect!

Yes it is still at the same location. Added the code:

// Change location of the checkbox
add_filter('anonymous_donation_checkbox_location', function() {
return 'woocommerce_after_order_notes';
});

Add checked if the following code was available in my plugin version

if (get_option("wcdp_enable_checkout_checkbox", "no") === "yes") {
    // Add checkbox to WooCommerce checkout
    $checkbox_location = apply_filters('anonymous_donation_checkbox_location', 'woocommerce_review_order_before_submit');
    add_action($checkbox_location, array($this, 'add_anonymous_donation_checkbox'));

    //Save the value of the WooCommerce checkout checkbox
    add_action('woocommerce_checkout_create_order', array($this, 'save_anonymous_donation_checkbox'));

    //Display the value of the WooCommerce checkout checkbox to the user
    add_action('woocommerce_order_details_after_customer_details', array($this, 'display_anonymous_donation_checkbox_in_order_details'));
}