Kubernetes

Kubernetes 1.32 arrives with improvements to sidecar containers, resource management, and the continued push to simplify the platform for operators.

CVE-2025-1974 and related vulnerabilities in the Kubernetes ingress-nginx controller allow unauthenticated remote code execution, affecting an estimated 40% of Kubernetes clusters.

With Kubernetes pushing security features to GA and CISA issuing container hardening guidance, the container ecosystem is growing up on security. Here’s what matters for platform teams.

Kubernetes 1.29 ships with native sidecar container support, improved networking, and a continued push toward simplifying cluster operations.

Kubernetes 1.26 ‘Electrifying’ arrives with significant improvements to storage, scheduling, and the ongoing effort to remove legacy code.

Kubernetes 1.24 finally removes Dockershim, completing the long-telegraphed divorce from Docker as a container runtime.

Kubernetes 1.22 drops several long-deprecated beta APIs and graduates key features to stable — a sign the project is maturing and cleaning house.

Kubernetes 1.21 lands with immutable Secrets and ConfigMaps going stable, CronJobs promoted to GA, and signals that the platform is maturing past its explosive growth phase.

Kubernetes 1.19 lands with extended support windows, Ingress API improvements, and a clear signal that the platform is maturing fast.

Kubernetes 1.19 arrives with the longest support window yet and a focus on stability features. For production operators, this is the release we’ve been asking for.