Go 1.20.10, 1.21.3, and others now available on Heroku

Change effective on 11 October 2023

The following Go versions have been made available on Heroku:

  • 1.20.9 and 1.20.10
  • 1.21.2 and 1.21.3

With these new releases, the following defaults have been updated:

  • go1.20 defaults to go1.20.10
  • go1.21 defaults to go1.21.3

For more information, see our page on Go Support.