- Improve support for PHP 8.1.
- Increase minimum requirement from PHP 5.3 to PHP 7.2.
- Update to Symfony 4.4.
- Update to PHPUnit 8.x/9.x.
- Add helpers (
./scripts/test.shand./scripts/build.sh) and Github Actions
./scripts/test.sh and ./scripts/build.sh) and Github Actions