AWS Batch now supports natively launching Amazon Linux 2 as your AMI when creating an AWS Batch compute environment through a single parameter. Amazon Linux 2 is the next generation of Amazon Linux, a Linux server operating system from Amazon Web Services (AWS). It provides a secure, stable, and high performance execution environment to develop and run cloud and enterprise applications. With Amazon Linux 2, you get an application environment that offers long term support with access to the latest innovations in the Linux ecosystem.
Source:: Amazon AWS