The same goal could probably be achieved by extending Matrix servers to become OpenID Connect providers, but I don't know how easy that is. Apparently the Matr

The same goal could probably be achieved by extending Matrix servers to become OpenID Connect providers, but I don't know how easy that is. Apparently the Matrix server implementation Synapse does allow users to authenticate with accounts on an external OpenID Connect provider, though. https://matrix-org.github.io/synapse/v1.46/openid.html https://matrix-org.github.io/synapse/v1.46/openid.html