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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 v2.1.280 ·

Bash-tool-available note added to shell-selection text

Shell-selection guidance now notes the Bash tool is also available alongside the primary shell

You'll notice Improvements
JSON All of v2.1.280
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
ImprovementsKind: in v2.1.280,
ImprovementsSection of the release
What

The text describing the primary shell to use (for example, PowerShell on Windows) now includes an added note that the Bash tool is also available for POSIX scripts, and that each shell takes its own syntax.

Why

This clarifies for Claude that it isn't limited to the platform's default shell and can reach for the Bash tool when POSIX-style scripting is more appropriate, reducing confusion about which syntax to use where.

See this entry in the whole of v2.1.280 →

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