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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.237 ·

Version stamp moved from 2.1.236 to 2.1.237

Version output and telemetry now say 2.1.237 instead of 2.1.236; nothing else changes.

Under the hood No documentation found Internal Changes
JSON All of v2.1.237
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Build MetadataArea: what it touches
Internal ChangesKind: in v2.1.237,
Internal ChangesSection of the release
What

The same build constants object drives the reported CLI version, telemetry version fields, update checks and --version output; the roughly 91 changes in this group are that one literal appearing at different call sites. Nothing changes but the reported version.

Evidence

GIT_SHA: "45590910f0b746ddad3fe7d8135c5c29b33ccf88"

Strings lifted out of the shipped bundle, so the claim above can be checked against them.

Read from
Names in the bundle--version
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.

Added since A small documentation edit on Configure cloud environments touched a line naming --version after this was published. To get the versions of most of the tools in this table, ask Claude to run `check-tools` in a cloud session. It's a shell command installed on the session VM, not a command you type with `/`; you ask Claude because [Claude runs all VM comma… cloud-environments see the edit
Confirmed since Anthropic's documentation has since written up --version, on Get started. Ubuntu 24.04's repositories carry a new enough bubblewrap and Ubuntu 22.04's don't; on any distribution, confirm with `bwrap --version` that the installed version is 0.8.0 or later before you start Claude Science. claude-science/get-started 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 --version, on Get started.

See this entry in the whole of v2.1.237 →

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