Until now, the Ubuntu images for AWS (Amazon Web Services) have been using a normal Linux kernel that was updated whenever a new security update was available. With the new rolling model, the kernel in the Ubuntu AWS images gets all the latest fixes, performance tweaks, and security patches from upstream, as soon as they are available. Starting today, the rolling kernel model is being applied to the Ubuntu 18.04 LTS (Bionic Beaver) Amazon Machine Images, which will upgrade users from the regular Linux 4.15 kernel to the Linux 5.0 kernel from the Ubuntu 19.04 (Disco Dingo) release, which is available for preview as the linux-aws-edge kernel and it is recommended only for non-production deployments.