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* Added ``queue_name`` attribute to ``JobResult``, 198
* set ``job_deserializer``, ``job_serializer`` and ``default_queue_name`` on worker pools to better supported
nested jobs, 203, 215 and 218
* All job results to be kept indefinitely, 205
* refactor ``cron`` jobs to prevent duplicate jobs, 200
* correctly handle ``CancelledError`` in python 3.8+, 213
* allow jobs to be aborted, 212
* depreciate ``pole_delay`` and use correct spelling ``poll_delay``, 242
* docs improvements, 207 and 232