Elixir v1.17 released: set-theoretic types in patterns, calendar durations, and Erlang/OTP 27 support Elixir v1.17 has just been released. 🎉 This release introduces set-theoretic types into a handful of language constructs. While there are still many steps ahead of us, this important milestone already brings benefits to developers in the form of new warnings for common mistakes. This new version