AFAIK, I cannot log in to stalwart using the OIDC set up in stalwart, working with Nextcloud and other tools like a charm? Please add stalwart to work with the same SSO (single sign-on).
If I didn’t find it and it exists, I’m happy to learn how 
And I understand it’s 0.16 and not 1.x, but this category screams at me to share improvement ideas 
