Feature-Gate - 1

2026 (3)

September (3)

k8s: Kubernetes v1.37: Tracking When a PersistentVolumeClaim Was Last Used (Beta)

Kubernetes Official Blog

2026-09-21

Kubernetes v1.37 promotes PersistentVolumeClaimUnusedSinceTime to Beta and enables it by default. PVCs now get an Unused condition in status so you can tell whether any running or pending pod references the claim, and use lastTransitionTime to see when it last became idle.

k8s: Kubernetes v1.37: Scheduler Preemption for In-Place Pod Resize (Alpha)

Kubernetes Official Blog

2026-09-10

Kubernetes v1.37 adds alpha support for scheduler preemption during in-place Pod resize, gated by InPlacePodVerticalScalingSchedulerPreemption. If a running Pod’s resize is Deferred due to lack of node capacity, the scheduler can now preempt lower-priority Pods on the same node so the resize can complete without restarting the Pod.

k8s: Kubernetes v1.37: etcd RangeStream Cuts Memory Use on Large List Reads

Kubernetes Official Blog

2026-09-01

Kubernetes v1.37 graduates the EtcdRangeStream feature to beta and enables it by default. With etcd v3.7+, the API server can stream large collection reads instead of assembling whole pages in memory, reducing peak memory use and making it more predictable.