Changelog

General

• Updated kubernetes vendor to 1.27.8 (#6311)
• Added structured logging support via --logging-format json (#6073)
• Added support to s390x arch (#6042)

AWS

• Scale up from 0 now working with existing AWS EBS CSI PersistentVolume without having to add tag to ASG (#6145)
• Allow k8s.io/cluster-autoscaler/resources/: tags on AWS managed nodegroups (in addition to ASGs) to indicate availability of custom resources or ephemeral storage in a scale-from-zero scenario (#6241)
• Added EC2 instance type p5.48xlarge support (#6285)

Azure

• Updated cloud-provider-azure and skewer dependency version (#5929)

Rancher

• Bugfix: handling error when listing machines (#6304)

Images

• registry.k8s.io/autoscaling/cluster-autoscaler:v1.27.4
• registry.k8s.io/autoscaling/cluster-autoscaler-arm64:v1.27.4
• registry.k8s.io/autoscaling/cluster-autoscaler-amd64:v1.27.4
• registry.k8s.io/autoscaling/cluster-autoscaler-s390x:v1.27.4

Full Changelog: cluster-autoscaler-1.27.3...cluster-autoscaler-1.27.4