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Can I update to Ruby 2.1.2 using Rails 3.2.3?

First of all, I think it isn't a prohibited question on StackOverflow since it's a precise question about environment, an objective question. But if it's prohibited, please tell me.

Currently I'm developing a specific project that is using Ruby 1.9.3 and Rails 3.2.3, at the moment we can't upgrade to Rails 4 because the project dependencies.

My question is:

Using Rails 3.2.3, we can upgrade to a newest Ruby version? If so, what version: Ruby 2.0, Ruby 2.1.2 or another one?

Also, I searched on Google and StackOverflow and I don't find a question like that.

Thanks!

Solution

  • The first release of rails that officially support ruby 2.0 was 3.2.13 (see the announcement on the rails blog.

    I deployed several applications running 3.2.15-3.2.17 and ruby 2.0 (They've since been upgraded to rails 4) without any problems that I recall.

    The recently released 3.2.22 supports ruby 2.2 (announcement)