Is 2.1.0-dev or 2.1.0preview1 the more stable version of Ruby?

Question

I'm trying to update my version of Ruby using rbenv. Running rbenv install -l lists all the available versions of ruby, with these two as the only 2.1.0 versions

  2.1.0-dev
  2.1.0-preview1

Which version of Ruby is more recent and, one assumes, more stable.

Answer 1

The most recent stable version is 2.1.1 you can see it here https://www.ruby-lang.org/en/news/2014/02/24/ruby-2-1-1-is-released/