Discovering Elixir
Next to Rust, Elixir is the most interesting new programming language I've discovered in the last few months:
https://pragprog.com/book/elixir/programming-elixir
Definitely shows how the Erlang/OTP ecosystem has improved in the 5 years since last time I worked in it (when it was still very lacking back then).
So you've finally come around to Erlang - in one form or another ;-)