April 2026 performance summary for cloudnativedaysjp/cnd-handson focused on delivering progressive delivery capabilities and workshop readiness. Key accomplishment: upgraded the Argo Rollouts Helm release to v2.40.9 to enable Blue/Green and Canary deployment patterns for hands-on sessions. Added and versioned workshop-specific configuration files and deployment manifests to demonstrate progressive delivery. Created and published documentation to streamline participant setup and troubleshooting. The PR merge ca5bed8ced3f60251a70c3be2c367236a21d171d sealed the upgrade, improving stability and reproducibility of workshop environments. Overall impact: faster, safer demonstrations with reproducible GitOps-based deployment workflows.

In March 2026, delivered Linux 6.9+ compatibility for the security_bpf_map_create hook in cilium/tetragon. Implemented cross-version support across policy loader, encoder, and user documentation to ensure correct formatting of BPF map creation events and seamless policy loads for kernels >= 6.9, addressing a renamed hook (security_bpf_map_alloc -> security_bpf_map_create). Updated the policy library and YAML (ignore.callNotFound: true) to maintain operation across kernel versions. Added comprehensive user-facing documentation about kernel compatibility and hook renaming to reduce confusion and support tickets.