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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.307 ·

Bash sandbox retry guidance gains extra wording after the domain list

The Bash tool's guidance for retrying a command blocked by the sandbox now adds a further phrase after the allowed_domains instruction

Under the hood Internal Changes
JSON All of v2.1.307
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
SandboxArea: what it touches
Internal ChangesKind: in v2.1.307,
Internal ChangesSection of the release

Unclear The wording of the added text is not known, so it is unclear how Claude's retry advice changes.

What

The sandbox is a restricted space that limits what a shell command can reach, including which network hosts. When a command is blocked, the Bash tool's instructions tell Claude what to do next. The sentence that tells Claude to re-run the command with a blocked host added to its allowed_domains list is now built from parts, and extra wording now follows the mention of allowed_domains.

Why

The advice Claude follows after a sandbox block may read slightly differently.

How sure we are
Something disagreesSomething we can check disagrees with this entry, or the writer said they could not settle it.
The writer flagged doubtThe wording of the added text is not known, so it is unclear how Claude's retry advice changes.

See this entry in the whole of v2.1.307 →

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