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Ruby versions 2.4.10, 2.5.8, 2.6.6, and 2.7.1 are now available

Change effective on 31 March 2020

The following Ruby versions are now available on the Heroku platform:

You can see the latest versions on the Ruby support page.

Default Ruby version for new apps is now 2.6.6 Bugfix: Python Buildpack no longer clears pip dependencies without check