NS records are now published by the nameserver, both in standard DNS format and the DoT format proposed by facebook here:
Additionally, improvements to testing were made which resulted in some stability and performance improvements, particularly around how hostnames are generated, which would only be an issue with larger (200+ nodes) networks.
Packages for Windows are now available.
Docker, Linux, and OS X (via homebrew tap @ https://github.com/zerotier/homebrew-tap) packages are still available.