Dev Tooling: Copilot SDK & VS Code

- GitHub announced Copilot SDK v0.3.0 with features like per‑session auth, sub‑agent streaming and custom HTTP headers, and VS Code Insiders added Copilot session naming and auto model selection. - Community resources also surfaced a curated list of seven free O’Reilly Kubernetes books for platform and infra teams to study. - The combined updates reduce friction for embedding assistant agents into CLI and editor workflows while refreshing learning resources for Kubernetes operators. (x.com 1) (x.com 2) (x.com 3)