- fix agents with multiple topics[116](https://github.com/faust-streaming/faust/pull/116)
- Simplify the code by getting rid of deque_pushpopmax in favour of using maxlen= parameter of deque[115](https://github.com/faust-streaming/faust/pull/115)
- fixes a race condition in writing messages to topics that resulted in a violation of the ordering guarantee (especially changelog topics)[112](https://github.com/faust-streaming/faust/pull/112)