• Remove CoreOS support
  • CoreOS has reached EOL on May 26, 2020. We recommend switching to Flatcar Linux as an alternative to CoreOS
• Switch default Kubelet image to quay.io/kubermatic/kubelet
  • This change only affects newly-provisioned Machines running Flatcar Linux
  • This change allows the latest Kubernetes 1.18+ patch releases to be used for provisioning Flatcar Machines.
• Fix the bug causing the machine-controller to create two instances for one Machine in some AWS regions