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Sweep 23 Oct 2026 · 21:48Z Build v2.1.310 529 read Stable v2.1.308 Latest v2.1.310 Next v2.1.310 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.310 ·

Six more zsh commands are recognised by shell command checks

zformat, zparseopts, zstyle, zregexparse, getln and vared are now on Claude Code's list of recognised zsh builtins

You'll notice Improvements
JSON All of v2.1.310
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
PermissionsArea: what it touches
ImprovementsKind: in v2.1.310,
ImprovementsSection of the release
What

Builtins are commands that are part of the shell itself rather than separate programs. Claude Code keeps a list of shell builtins that it uses when deciding how to handle commands Claude wants to run. These zsh builtins are now on that list, next to autoload and functions:

  • zformat
  • zparseopts
  • zstyle
  • zregexparse
  • getln
  • vared
Why

If you use zsh, commands that use these builtins may now be handled differently when Claude Code checks whether a shell command needs your permission.

See this entry in the whole of v2.1.310 →

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