Project
Terminal surface for Copilot that gained /tasks subagent management, prompt queuing, combinable headless --plan and --mode autopilot flags, and /rewind.
GitHub says its HydraFusion preview costs an estimated 67% less than Claude Opus 5 on TerminalBench 2.1 by planning model calls per prompt. Whether that saving reaches your bill depends on how often a cheap draft clears the quality gate.
Reality
Admins can now set filesystem, network, proxy, developer-tool and Keychain limits for Copilot sessions from inside the plugin rather than through a device-management request, and a new diagnostics tool tells them whether the policy reached the laptop.
Reality
The Copilot SDK for Java is a third path past Spring AI and LangChain4j. It is also a compiled agent loop you now own the pager for, so far described only from GitHub's own documentation.
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Adversa.ai says Claude Code's folder-trust dialog stopped naming MCP servers in v2.1, while a repo-supplied config can still launch an unsandboxed process on one keypress.
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GitHub's latest changelog makes per-turn model switching normal across Copilot surfaces. It does not add a field anywhere recording which model wrote which line.
Reality