Based on https://github.com/zendframework/zend-form/releases/tag/release-2.2.4 (commit 5f2e698172c247cb03fef722ca577881135b0b2d in this repo)

Total issues resolved: **3**
- [5008: deprecated feature in classmap generator](https://github.com/zendframework/zf2/issues/5008)
- [5015: Allow set Form::setPreferFormInputFilter via options](https://github.com/zendframework/zf2/issues/5015)
- [5028: Fix forms regression introduced in 2.2.3](https://github.com/zendframework/zf2/issues/5028)