= 4.8.4 =
* Fix: Fixed issue where units would display content even if course was expired.
* Fix: Fixed several PHP 8 warnings.
* Fix: Fixed issue where Stripe was not detecting site SSL and therefore would default to test mode.
* Fix: Fixed issue where upload question type was not handling error checking correctly.
* Fix: Fixed issue where instructor role was unable to create/edit certificates.
* Fix: Fixed alignment issues with certificates.
* Fix: Fixed several strings that were not translatable.
* Tweak: Updated TCPDF library for PHP 8 compatibility.