v2.1.2 Release Notes
Install this version with Unity's Package Manager using the following URL (step-by-step instructions):
https://github.com/RiptideNetworking/Riptide.git?path=/Packages/Core#2.1.2
It can also be installed a number of other ways for use outside of Unity, including as a NuGet package.
For a full list of source code changes, check out the version comparison on GitHub.