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Sweep 06 Nov 2026 · 01:32Z Build v2.1.319 537 read Stable v2.1.311 Latest v2.1.318 Next v2.1.319 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.277 ·

Hook execution supports an injected sandbox/exec wrapper

Hook commands can now optionally be run through a sandboxed execution wrapper before they start

Under the hood Internal Changes
JSON All of v2.1.277
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
HooksArea: what it touches
Internal ChangesKind: in v2.1.277,
Internal ChangesSection of the release
What

The internal function that runs hook commands now accepts an extra parameter that can optionally acquire a sandboxed executable resource before starting the hook process. If that sandboxed resource can't be obtained, the hook is now treated as having failed to spawn, rather than running normally.

Why

This lets hook commands be run inside a sandbox when needed, and ensures that if the sandbox can't be set up, the hook fails safely instead of running outside the sandbox unexpectedly.

See this entry in the whole of v2.1.277 →

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