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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 ·

Prewarmed and dispatched background sessions inherit restriction

Background sessions spawned from a restricted session stay restricted.

You'll notice New Features
JSON All of v2.1.248
You'll noticeTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
PermissionsArea: what it touches
New FeaturesKind: in v2.1.248,
New FeaturesSection of the release
What

Background sessions that Claude Code starts ahead of time, and sessions started by dispatch, now always get --restricted when the parent session is restricted, so restriction is not lost at spawn.

Details
  • The spare-session pool keeps both the caller's arguments and a copy with --restricted prepended, and hands back the restricted copy while the session is restricted.
  • Dispatch sites do the same, prepending the flag rather than replacing the argument list.
Evidence

this.#t = e.includes("--restricted") ? e : ["--restricted", ...e]

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

Read from
Names in the bundle--restricted
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 --restricted, on Tools reference. * A permissions [deny rule](/docs/en/permissions#match-all-uses-of-a-tool), the `--disallowedTools` flag, or [`--restricted`](/docs/en/cli-reference#cli-flags) removes `Bash` from the session. tools-reference see the edit
How sure we are
Two sources agreeTwo things we can check say the same as this entry.
Anthropic's documentation agreesAnthropic's documentation has since written up --restricted, on Tools reference.
Anthropic's release notes agreeAdded --restricted (or CLAUDE_CODE_RESTRICTED=1): removes the built-in tools that run commands or code and WebFetch (unless named in…
The name it cites is new in this buildNew in this build: --restricted

See this entry in the whole of v2.1.248 →

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