Fixed
* The `global_broker` variable is now type hinted. ([jenstroeger](https://github.com/jenstroeger))
* Pipeline result retrieval works with non-default brokers. ([563](https://github.com/Bogdanp/dramatiq/pull/563), [#564](https://github.com/Bogdanp/dramatiq/issues/564), [DiegoPomares](https://github.com/DiegoPomares))
Added
* Asyncio support. ([536](https://github.com/Bogdanp/dramatiq/pull/536), [caspervdw](https://github.com/caspervdw))
* Timedelta support for delay arguments. ([569](https://github.com/Bogdanp/dramatiq/pull/569), [h3nnn4n](https://github.com/h3nnn4n))
Changed
* Filesystem watcher no longer reloads dramatiq on file open events. ([552](https://github.com/Bogdanp/dramatiq/pull/552), [seanpile](https://github.com/seanpile))
* The version bound on redis-py has been increased to include version 5.0. ([567](https://github.com/Bogdanp/dramatiq/pull/567), [scott-8](https://github.com/scott-8))