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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.288 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Choose a sandbox environment changedsandbox-environments

Nearest release: v2.1.287, published 9 hours before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.

Upstream edited this page at 2 Oct 2026 02:27 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 2 Oct 2026 02:37 UTC.

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144144Several managed sandbox and remote execution services can host the container for you. The same checklist applies as for any container you operate: review what is mounted writable, what credentials and tokens are reachable inside it, and what the network egress policy allows.
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146You can layer the built-in Bash sandbox inside the container for per-command restrictions. Unprivileged containers need the nested-sandbox setting described in [Sandboxing troubleshooting](/docs/en/sandboxing#troubleshooting).
146You can layer the built-in Bash sandbox inside the container for per-command restrictions. Unprivileged containers need `enableWeakerNestedSandbox`, described in [Bubblewrap fails to start inside a container](/docs/en/sandboxing#bubblewrap-fails-to-start-inside-a-container).
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148148## Virtual machine
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