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Sweep 29 Sep 2026 · 18:10Z Build v2.1.285 506 read Stable v2.1.280 Latest v2.1.285 Next v2.1.285 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.285 ·

More Windows environment variables are passed through

Claude Code now passes more Windows environment variables through, including ALLUSERSPROFILE, SYSTEMDRIVE and the COMMONPROGRAMFILES ones

You'll notice Improvements
JSON All of v2.1.285
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1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
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ImprovementsKind: in v2.1.285,
ImprovementsSection of the release
What

Environment variables are named values Windows provides to programs, such as where system folders live. Claude Code keeps a list of Windows variables it passes through, and that list now also includes:

  • ALLUSERSPROFILE
  • SYSTEMDRIVE
  • COMMONPROGRAMFILES
  • COMMONPROGRAMFILES(X86)
  • COMMONPROGRAMW6432
Why

Programs Claude Code starts on Windows that need these variables should now work instead of failing to find them.

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 doubtWhich pass-through list this is, and so which programs receive these variables, is not stated.
Anthropic's release notes agreeWindows: Changed project and local settings env to no longer set ALLUSERSPROFILE, SystemDrive, or the CommonProgramFiles variables; set them…

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