4.2.0: Bug fixes, improvements and PHP 8.x support
- Fix various encoding issues
- Fix broken inline images
- Fix incorrect MIME decoding
- Fix deprecated methods
- Avoid
TypeError
due to$lastError
beingboolean
(false) instead of astring
(strict types) - Add support for PHP 8.x
- Added new automated test cases, improved and removed some existing ones
- Fixed and improved Travis CI integration
- General code optimizations