> Currently, SNI in TLS 1.2 has a flaw that allows censors to differentiate between a “real” service and a “fake” service if they are savvy enough to figure it out. Interestingly, SNI in TLS 1.3 fixes this problem by hiding all of the information about the service behind encryption.

Isn't this (Encrypted SNI) was the one been extensively discussed here: https://news.ycombinator.com/item?id=17538390 ?

This is great. I hope CDNs like Cloudflare etc deploy it ASAP. Also, deprecate previous TLS versions as ASAP so it can be more effective.