2023-10-05 – version 4.0.0
* Tweak – Uniquely register the scheduled actions.
* Tweak – Updated plugin author.
* Tweak – Tested compatibility up to WC 8.2.
* Tweak – Tested compatibility up to WP 6.3.
* Fix – Address PHP 8.1+ deprecation notices.
* Dev – Use a WC background process to handle the plugin updates.
* Dev – Dropped deprecated code from versions 3.x.
* Dev – Dropped deprecated filter hook `wc_aweber_checkout_content_location`.