v4.21.0     2024-03-03
- Added Porkbun API support

v4.20.07    2024-01-03 (compare to v4.20.06)
- Added support for Free Currency Rates API
- Updated Composer
- Upgraded GJClasses (0.50.0 -> 0.51.0)

v4.20.06    2023-09-06
- Included Webmozart/Assert dependency

v4.20.05    2023-09-05
- Rolled back PHP dependencies to 4.19.0

v4.20.04    2023-09-04
- Added "optimize-autoloader: true" to composer.json