* Fix: fixed the main gift this product image
* Fix: prevent non object call in templates
* Fix: fixed the wrong delivery date saved in the gift cards for the different timezones
* Fix: fixed issue with WPML and zero gift cards in the cart
* New: support for WooCommerce 5.9
* Update: YITH plugin framework
* Fix: fixed issue with the values in the minor integration with WC Multi Currency
* Fix: including some strings to the domain
* Fix: Corrected text on thank you page and email when use gift this product feature
* Dev: replaced the ABSPATH by the wp_upload_dir method
* Dev: replacing the option _yith_wcmcs_custom_prices by _ywgc_wcmcs_custom_prices
* Dev: added new filter yith_ywgc_skip_orders_autocomplete
* Dev: added the ID gift-this-product to the Gift this product container
* Dev: changed the "Today" placeholder by "Now" in the delivery date field
* New: support for WordPress 5.8
* New: support for WooCommerce 5.5
* New: added new Help tab in the plugin settings
* Update: YITH plugin framework
* Fix: Allow uppercase in image extension
* Fix: fixed the image upload limit in the popup