Improvements
- [12827](https://github.com/rasahq/rasa/issues/12827): Improved handling of last batch during DIET and TED training. The last batch is discarded if it contains less than half a batch size of data.
- [12835](https://github.com/rasahq/rasa/issues/12835): Added `username` to the connection parameters for `RedisLockStore` and `RedisTrackerStore`
- [1493](https://github.com/rasahq/rasa/issues/1493): Telemetry data is only send for licensed users.