New report: Immutable OS for Kubernetes

We’ve published a new report on how teams manage Kubernetes node OSes in practice.

Based on 2,138 responses across 4 platforms, the report examines node updates, incident response, CVE patch windows, and OS customization. The results suggest that immutable-node operations are becoming more common, but the hard part is still operational: building reliable image pipelines, observability, and rollout processes around the base OS.

Read the full report:
https://kube.today/immutable-linux-kubernetes-2026

⭐️ This research was sponsored by Spectro Cloud. If you want to explore an immutable OS built for Kubernetes, check out Hadron OS:
https://ku.bz/P5Gj9c18t