WpComet

add_filter( 'woocommerce_single_product_carousel_options', 'filter_single_product_carousel_options' );
function filter_single_product_carousel_options( $options ) {
    $options['slideshow'] = true;
    $options['animationLoop'] = true;
    $options['slideshowSpeed'] = 3000;
    return $options;
}

WpComet

add_action( 'admin_notices', 'fix_wc_notice_472021' );

/*
 * Change notice 'name' as needed.
*/
function fix_wc_notice_472021() {
global $wpdb;
$wpdb->update( $wpdb->prefix . 'wc_admin_notes', ['status'=>'actioned'], ['name'=>'woocommerce-core-paypal-march-2022-updated'] );
}

WpComet

 const defaultParams = {
    title: '',
    titleText: '',
    text: '',
    html: '',
    footer: '',
    icon: undefined,
    iconColor: undefined,
    iconHtml: undefined,
    template: undefined,

WpComet

document.addEventListener('DOMContentLoaded', function () {
    // Check if we're on a product category archive page
    if (document.body.classList.contains('archive') && document.body.classList.contains('woocommerce')) {
        // Get a reference to the select element
        const sortingSelect = document.querySelector('.woocommerce-ordering select');

        // Hide the default select box
        sortingSelect.style.display = 'none';

        // Create a new div for the sorting buttons

WpComet

// Add a custom filter to the query
add_action('pre_get_posts', 'featured_products_admin_filter_query');
function featured_products_admin_filter_query($query) {
    global $pagenow;
    if (is_admin() && $pagenow == 'edit.php' && isset($_GET['post_type']) && $_GET['post_type'] == 'product' && isset($_GET['is_featured']) && $_GET['is_featured'] == '1') {
        $query->set('tax_query', array(
            array(
                'taxonomy' => 'product_visibility',
                'field'    => 'name',
                'terms'    => 'featured',

WpComet

// Tested with Turkish letters like İ or Ğ, should work with other languages as well like German Ç or Czech Č etc. etc.

add_filter( 'woocommerce_coupon_code', 'make_coupons_case_insensitive' );

function make_coupons_case_insensitive( $coupon_code ) {
    // Convert special characters to ASCII
    $coupon_code = iconv('UTF-8', 'ASCII//TRANSLIT', $coupon_code);
    // Change all coupon codes to lowercase
    return strtolower( $coupon_code );
}

WpComet

edit_themes
activate_plugins
edit_plugins
edit_users
edit_files
manage_options
moderate_comments
manage_categories
manage_links
upload_files

WpComet

You should be able to access them via         
$params = $request->get_params();
normally, if you cant, try these:
$request->get_body_params(),$request->get_url_params())
$request->get_body(); 

Also make sure you are using "application/x-www-form-urlencoded" and NOT "form-data"