You can now develop your Elastic Beanstalk applications using Go 1.12. The latest Go 1.12 comes with numerous performance improvements and new features such as opt-in support for TLS 1.3 and improved modules support. For the complete list of Go 1.12 features, visit the official Go 1.12 release announcement . You can upgrade your existing Elastic Beanstalk Go environment to Go 1.12 using the Elastic Beanstalk console or through the EB CLI and Elastic Beanstalk API. See Updating Your Elastic Beanstalk Environment’s Platform Version for additional details.