Versioned Changelog

* Tweak – To make `display_barcode()` available for other plugins.

* Fix: Waitlist mailouts not always sending for variations when setting stock status

* Add – Country code validation.

* Fix – Display booking calendar on Add Booking page.
* Fix – The availability check for Min-Max days is fixed for products without resources.

* Add – **Downloadable Product Purchased** trigger.
* Add – **File Downloaded** trigger.
* Add – **File Not Yet Downloaded** trigger.
* Add – `download.file_name` and `download.url` variables.
* Dev – Use the latest released versions of dependent plugins for unit testing.

* Fix – Missing tooltips in warranty form builder.
* Fix – Warranty settings in the product page.

* Feature – Added compatibility with WooCommerce High-Performance Order Storage.
* Tweak – Added links to the license keys, the reports, the documentation page, and to get support in the plugin list.
* Tweak – Updated plugin author.
* Tweak – Tested compatibility up to WC 7.3
* Tweak – Tested compatibility with WP 6.1
* Fix – Fixed broken ‘Total software sales’ and ‘Total software sold’ metrics in reports.
* Dev – Implement the singleton pattern in the main plugin class.
* Dev – Updated the minimum requirements to WC 3.5, WP 4.7, and PHP 5.4.

* Fix – Fatal error on PHP 8 when aborting unpacked item.

* Fix – Prevent ajax call if the add to cart ID cannot be found.
* Tweak – WC 7.3.0 compatibility.

* Fix: Fatal error when loading the Edit Subscription page with custom admin billing or shipping fields.
* Dev: Update subscriptions-core to 5.3.1.