* **BREAKING CHANGE**: Use a single entry point for all event routing backends. which allows to easily switch bettwen celery and the event bus for the backends.
8.3.0
* Allow to use any configured engine to replay tracking logs
8.2.0
* Add support for batching for EventsRouter.
8.1.2
* Add grade.now_* events to the xAPI supported events list.
8.1.1
* Dinamically get the xblock version from the event.
8.1.0
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* Add support to consume tracking logs from the event bus.