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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.257 ·

claude install refuses to auto-switch to pre-signing-enforcement releases

claude install refuses to switch to a channel version that predates signature enforcement unless you name it exactly.

You'll notice Improvements
JSON All of v2.1.257
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
UpdaterArea: what it touches
ImprovementsKind: in v2.1.257,
ImprovementsSection of the release

When claude install <channel> would resolve to a version that predates release-signature enforcement, the CLI now stops instead of installing it, and tells the user to run claude install <exact version> explicitly if they still want that release.

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Names in the bundleclaude install
Since it was published

The entry above is what we published on the day. These lines were added later, as Anthropic's own pages caught up, and they sit beside the original rather than replacing it.

Confirmed since Anthropic's documentation has since written up claude install, on CLI reference. | `claude install [version]` | Install or reinstall the native binary. Accepts a version like `2.1.118`, or `stable` or `latest`. See [Install a specific version](/docs/en/setup#install-a-specific-version) | `claude install stable` | cli-reference see the edit
How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's documentation agreesAnthropic's documentation has since written up claude install, on CLI reference.

See this entry in the whole of v2.1.257 →

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