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Ruby 2.0.0 updated to p647

Change effective on 18 August 2015

We’ve finished upgrading MRI 2.0.0 p645 to p647. Here’s a link to the MRI 2.0.0-p647 announcement. You’ll get the updated ruby runtime for your app upon next push.

JDK 8u60 now available on Heroku Ruby 2.1.7 now available on Heroku