Beta 3 adds an adopt-c-bounds-safety skill and rebuilds audit-xcode-security-settings around a plan-and-approve workflow. Some diffs fix text that looks pasted straight from a Claude session.

Apple built fm and its Python SDK to be scripted, but only for the on-device model. Private Cloud Compute sits behind a guard that insists a person at a terminal made the call. Here is what I hit, how the guard works, and why it is there.

Re-ran the Xcode agent-skill export against beta 2 (27A5209h). Ten skills, none added or removed — here's every diff from beta 1, one line each.

A first-hand teardown of the new Siri in the macOS 27 Golden Gate beta, translated into Claude Code and MCP terms.

Apple now bundles SKILL.md agent skills inside Xcode 27, including one that tells the model its training data is out of date. What ships, how it works, and how to pull the skills out for your own agents.