[cf-dev] NOTICE: End of support for Ruby versions 2.2.x and 2.3.x after 2019-05-11
The first release of the Ruby buildpack after May 11, 2019 will no longer include any versions of Ruby 2.2.x and 2.3.x. These Ruby versions are no longer supported upstream . Please migrate your Ruby apps to supported versions of Ruby before that time.
Note: Unless you are manually specifying a version of Ruby for the buildpack to use, or you have customized your Ruby buildpack, no action is required.