Dennis Giese - the guy who did & published many of the actual vacuum roots - actually did a talk at 37c3, just yesterday! Together with Braelynn he published rooting methods for Ecovacs. Expect easy & comfortable root using the UART debug connector.

Valetudo support seems to be coming, however "it's done when it's done"; the necessary work is more dramatic due to the different protocol Ecovacs uses for cloud communication.

Until then: I would make sure not to update the device firmware. Just be prepared to wait and keep an eye on the release notes and/or Valetudo webpage (unlike with other projects, you can safely assume it to be up to date).