rails/rails — pull request #14103 by sikachu (2014-02-18 21:24:08+00:00)
Title: Introduce `Rails.gem_version`

This method returns a `Gem::Version` object, which is useful when
performing a comparison between versions. This was originally
introduced as `.version` by @charliesome in #8501, but got reverted in
#10002 since it was not backward compatible.

Also, updating template for `rake update_versions`.

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This is the same as #14101, but for `4-1-stable`.