Bugfixes - [12549](https://github.com/rasahq/rasa/issues/12549): Introduce a validation step in `rasa data validate` command to identify non-existent paths and empty domains.
3.5.12
Not secure
Bugfixes - [12534](https://github.com/rasahq/rasa/issues/12534): Rich responses containing buttons with parentheses characters are now correctly parsed. Previously any characters found between the first identified pair of `()` in response button took precedence.
Bugfixes - [12467](https://github.com/rasahq/rasa/issues/12467): Fix running custom form validation to update required slots at form activation when prefilled slots consist only of slots that are not requested by the form.
3.5.10
Not secure
Improved Documentation - [12437](https://github.com/rasahq/rasa/issues/12437): Added documentation for spaces alpha