Version 3.0.0 of Symfony Mailer extension for Yii2 was released. This version fixes and enhances code significantly.
- Added an exception if there is no transport configuration.
- Extensive rewrite to make it more statically typed and better testable.
- PSR-3 compliance.
- Logger doesn't use ervice locator pattern.
- Implemented interfaces and wrappers for signers and encrypters.
- Exceptions aren't silenced anymore.
Note that this release is not fully backwards compatible. Check your project is fine before going production.