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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
HomeDocsClaude Code CLI 6 Nov 2026
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Configure cloud environments changedcloud-environments

Nearest release: v2.1.319, published under an hour after 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 6 Nov 2026 00:22 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 6 Nov 2026 00:37 UTC.

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442442A setup script has four constraints to write around:
443443 
444* **Exit zero**: if the script exits non-zero, the session fails to start. Append `|| true` to non-critical commands so an intermittent install failure doesn't block the session.
444* **Exit zero**: if the script exits non-zero, the session [fails to start](https://code.claude.com/docs/en/web-quickstart.md#setup-script-failed) or starts without whatever the script failed to install. Append `|| true` to non-critical commands so an intermittent install failure doesn't fail the script.
445445* **Finish within five minutes**: keep the script's total runtime under roughly five minutes so the [environment cache](#environment-caching) can build. When setup takes longer than that, the environment isn't cached. Run independent installs in parallel with `&` and `wait`, and move any single download that won't fit into a [SessionStart hook](#setup-scripts-vs-sessionstart-hooks) that launches it in the background. If new sessions stall or fail during setup, see [New sessions hang or time out during setup](https://code.claude.com/docs/en/web-quickstart.md#new-sessions-hang-or-time-out-during-setup).
446446* **Network access for installs**: package installs need to reach registries. The default **Trusted** level covers [common package registries](#default-allowed-domains) including npm, PyPI, RubyGems, and crates.io; with **None** network access, installs fail.
447447* **The environment's variables aren't set yet**: the script runs before the session sets the environment's [environment variables](#set-environment-variables). Set any value the script needs in the script itself.
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