What changed
GitHub's 13 August Copilot release added a CLI task view for subagents, queued prompts and shell commands, a headless plan-plus-autopilot path and context-preserving handoff to the Copilot app. The same release added plugin management in the app and JetBrains memory plus Ollama as a local BYOK provider.
Why it matters
Operators gained visible task state and a queue for work that can continue without another turn. That makes task ownership, ordering, rewind behavior, model provenance and context transfer concrete controls rather than hidden agent behavior.
What to do
Use a disposable repository to start two subagents, queue a prompt, run plan-plus-autopilot and hand the session to the app. Inspect task ownership, command order, changed files, local-model routing, memory scope and rewind results before using unattended mode on production code.
Caveat
GitHub's weekly release is first-party product evidence, not an independent reliability or security result. Availability can differ by client, plan and rollout state, and queued or headless work can still execute stale instructions or exceed the intended repository scope.