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New Go versions available

Change effective on 30 November 2021

The following Go versions are now available on Heroku:

1.17.3 (will be used when go1.17 is specified)
1.16.10 (will be used when go1.16 is specified)

For more information, see our page on Go Support.

Apache Kafka on Heroku default version is now 2.8.1 Ruby versions 2.6.9, 2.7.5, 3.0.3 are now available