The changelog details all the good stuff in this release https://github.com/elixir-lang/elixir/releases/tag/v1.1.0
For anyone wanting to jump into Elixir, the getting started guides are excellent: http://elixir-lang.org/getting-started/introduction.html
From there, José Valim wrote a How I Start article: https://howistart.org/posts/elixir/1
There's also a really helpful community on #elixir-lang irc. Someone is usually around to answer questions.