Rasa

Bugfixes
========

- [\7219](https://github.com/rasahq/rasa/issues/7219): Prevent the message handling process in `PikaEventBroker` from being terminated.

Bugfixes
========

- [\6703](https://github.com/rasahq/rasa/issues/6703): Update Pika event broker to be a separate process and make it use a
`multiprocessing.Queue` to send and process messages. This change should help
avoid situations when events stop being sent after a while.

Improvements
============

- [\6900](https://github.com/rasahq/rasa/issues/6900): Debug logs from `matplotlib` libraries are now hidden by default and are configurable with the `LOG_LEVEL_LIBRARIES` environment variable.

Bugfixes
========

- [\3597](https://github.com/rasahq/rasa/issues/3597): Fixed issue where temporary model directories were not removed after pulling from a model server. If the model pulled from the server was invalid, this could lead to large amounts of local storage usage.
- [\6755](https://github.com/rasahq/rasa/issues/6755): Treat the length of OOV token as 1 to fix token align issue when OOV occurred.
- [\6899](https://github.com/rasahq/rasa/issues/6899): Fixed `MappingPolicy` not predicting `action_listen` after the mapped action while running `rasa test`.

Bugfixes
========

- [\6741](https://github.com/rasahq/rasa/issues/6741): Fixed the remote URL of ConveRT model as it was recently updated by its authors.

Also made the remote URL configurable at runtime in the corresponding tokenizer's and featurizer's configuration.

Bugfixes
========

- [\6577](https://github.com/rasahq/rasa/issues/6577): Remove BILOU tag prefix from role and group labels when creating entities.

Bugfixes
========

- [\6549](https://github.com/rasahq/rasa/issues/6549): Fix slow training of `CRFEntityExtractor` when using Entity Roles and Groups.