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source "https://rubygems.org"ruby "~> 3.2.x"Ruby v3.2 is now generally available, and is the new default runtime version for Ruby based Builds and Serverless Functions. Additionally, Ruby v2.7 will be discontinued on December 7th, 2023.
Existing deployments that use Ruby v2.7 will continue to work
New deployments will use Ruby v3.2 by default, or if
ruby "~> 3.2.x"is defined in theGemfileAfter December 7th, 2023, new deployments that define
ruby "~> 2.7.x"in theGemfilewill no longer build
Only the minor version (3.2) is guaranteed, meaning we will always use the latest patch version available within the minor range.
Read the documentation for more.