Kubernetes v1.36: Declarative Validation Graduates to GA

Kubernetes v1.36 introduces Declarative Validation framework as a General Availability feature, replacing 18,000 lines of handwritten validation code with structured marker tags.

• •validation-gen code generator automatically parses +k8s: marker tags and generates Go validation functions
• •Comprehensive suite of marker tags for presence, constraints, collections, unions, and immutability checks
• •Ambient ratcheting built-in ensures backward compatibility when validation rules change
• •Enables kube-api-linter tool for automated API review and consistency enforcement
• •Future integration with OpenAPI schemas and ecosystem tools like Kubebuilder for CRD authoring

This summary was automatically generated by AI based on the original article and may not be fully accurate.