Somehow missed this despite having a supported robot vacuum cleaner.

"First of all, please do not try to convince people to use Valetudo.

We all know how terribly it usually turns out when people try to convince their friends to use linux on their desktop. Using Valetudo only makes sense if you understand its goals and feel like they are important to you. Everything else will fail."

This is brilliant!

https://valetudo.cloud/pages/general/why-valetudo.html

Finished reading all of the pages just now. Brilliantly written and very thorough.

Decided it's perhaps too barebones for the trouble. Maybe useful in the future if/when the cloud support stops.