Oof... Hopefuly this can be turned off on private instances. :/
meet. jit. si now requires the creator of a room to sign in with Google, Facebook or Github.
Thankfully the deployment of the jitsi software on your on machine is trivial, and works in under an hour!
https://jitsi.github.io/handbook/docs/devops-guide/devops-guide-quickstart/
Discussion
Yes, it's one of many moderation features that are off by default for self-hosted instances.