What's new in Kubernetes 1.18?

Kubernetes 1.18 introduces a range of new features and enhancements, emphasizing improved functionality and support for Windows nodes. Key updates include the OIDC discovery for the API server, enabling service account tokens as a general authentication mechanism, and significant advancements for Windows support, such as the implementation of RuntimeClass and CRI-ContainerD on Windows nodes. The release also marks the graduation of several features to stable status, such as the CertificateSigningRequest API, and improvements in debugging capabilities with the introduction of the kubectl debug command. Additionally, this version enhances network performance with the EndpointSlice API and NodeLocal DNSCache, while also offering storage improvements like immutable Secrets and ConfigMaps. These updates reflect Kubernetes' commitment to community needs, scalability, and security, with a focus on facilitating better integration and performance across diverse environments.