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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 v2.1.248 ·

Command analysis sees through wrappers and ignores benign env prefixes

Command parsing now looks past wrappers like sudo and timeout and ignores harmless variable prefixes.

Under the hood Internal Changes
JSON All of v2.1.248
Under the hoodTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
PermissionsArea: what it touches
Internal ChangesKind: in v2.1.248,
Internal ChangesSection of the release
What

Bash command parsing gained two lists: shells and wrappers to look past when finding the real command (sudo, doas, xargs, timeout, nsenter and more), and environment variables treated as harmless when prefixed onto a command (GOEXPERIMENT, RUST_LOG, NO_COLOR, CI, ANTHROPIC_API_KEY among them), with a matching VAR= assignment pattern.

Evidence

PYTEST_DISABLE_PLUGIN_AUTOLOAD

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

How sure we are
One source agreesOne thing we can check says the same as this entry.
Anthropic's release notes agreeFixed the recommended Console sign-in in /login failing with an OAuth error before showing a sign-in URL on machines where it can't be used…

See this entry in the whole of v2.1.248 →

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