Developer Briefing — Kubernetes 1.18 general availability
The Kubernetes project released version 1.18 with stable Kubernetes Ingress, beta server-side apply, and Windows CSI proxy support. Platform teams should plan cluster upgrades to gain the GA Ingress API and new extensibility options while validating admission controller and driver compatibility.
Executive briefing: Kubernetes 1.18 shipped with 38 enhancements, including GA status for the Ingress API, beta server-side apply, Windows CSI proxy beta, and improvements to kubectl debugging. The release also adds topology-aware traffic policies and storage resizing improvements.
Why it matters
- Ingress GA: Stable Ingress resources reduce churn around annotations and breakage between controllers.
- Declarative ops: Server-side apply beta makes it easier to manage shared object ownership for GitOps pipelines.
- Windows support: CSI proxy beta and expanded Windows node features improve hybrid cluster operability.
Operator actions
- Plan upgrades: Schedule cluster upgrades to 1.18 after validating CNI plugins, admission webhooks, and backup workflows.
- Ingress migration: Update manifests to the stable
networking.k8s.io/v1Ingress API and confirm controller compatibility. - Adopt SSA carefully: Enable server-side apply in staging to test field ownership conflicts before rollout to production clusters.
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