March 2026 monthly summary for Azure/azure-cli-extensions focused on delivering a robust Kubernetes diagnostics capability via the Kubernetes Diagnostics: Support Bundle CLI Command. The feature enables one-click generation of a comprehensive diagnostic bundle from Kubernetes clusters (AKS/minikube) including health checks, container logs, resource descriptions, and WO component status. The implementation emphasizes reliability with retry logic, per-API timeouts, and namespace validation; the bundle generation remains resilient even if individual steps fail. The work included a major code reorganization to a dedicated support package, plus expanded documentation for easier adoption. Key scope enhancements and validation included broadening the data collected to include health metadata, RBAC/credential remediation guidance, and various Kubernetes resources (ReplicaSet, Job, CronJob, Ingress, NetworkPolicy, ServiceAccount) along with network configuration data. The feature also introduced bundle naming support, and produced resources/network-config.json, plus consolidated summaries for quick triage. Extensive testing and quality improvements: 34 new unit tests (170 total across the suite), 136 unit + integration tests overall, and E2E verification on live AKS and minikube clusters. Root-level pytest conftest adjustments were made to support robust testing environments. Business value and impact: Enables faster, reproducible triage by support teams and developers, reducing MTTR for Kubernetes-related incidents, improving observability, and delivering an easy-to-use, extensible diagnostics workflow within the CLI extension. Technologies/skills demonstrated: Python, Azure CLI extension framework, Kubernetes API and resources, multi-threaded collectors, retry/backoff logic, per-call timeouts, RBAC/credential remediation handling, pytest-based testing, and thorough documentation practices.