Kubernetes 1.26 – What's new?

Kubernetes 1.26 introduces a host of new features and enhancements aimed at improving performance and usability for developers and administrators. This release includes 37 enhancements, with highlights such as the ability to provision volumes from cross-namespace snapshots, which facilitates database management and backup solutions, and improved support for high-performance workloads through better CPU core management. New features for cluster administrators include support for OpenAPIv3, which simplifies cluster setup and management. The update also introduces a practical implementation of CEL for admission control, streamlining the process by removing the need for webhooks. Moreover, Kubernetes 1.26 enhances monitoring with Service Level Indicator (SLI) metrics, removes dependencies on cAdvisor by enriching the CRI API, and features dynamic resource allocation for advanced hardware. Deprecations in this version include the removal of legacy authentication methods and certain API versions, emphasizing the need for users to adapt to newer configurations. Overall, Kubernetes 1.26 continues to evolve with significant improvements in storage, networking, and node management, reflecting the platform's ongoing commitment to scalability, efficiency, and security.