This article describes the Heroku-22 stack, based on Ubuntu 22.04. What is a stack? What’s new This stack is now based on Ubuntu 22.04, compared to Ubuntu 20.04 used in the Heroku-20 stack. The most important changes compared to Heroku-20 are: The stack no longer includes a system Ruby installation. This will not affect the vast majority of users, since Ruby apps will use the Ruby installation pro
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