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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 v2.1.248 ·

PowerShell parsing tables added

Tables for parsing PowerShell commands landed, groundwork for judging Windows command safety.

Under the hood Improvements
JSON All of v2.1.248
Under the hoodTier: how much it should matter to you
2Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
WindowsArea: what it touches
ImprovementsKind: in v2.1.248,
ImprovementsSection of the release
What

Constants for taking PowerShell commands apart land in the build: the common parameters -erroraction, -warningaction, -informationaction, -progressaction with aliases -ea, -wa, -infa, -proga; variable-capturing parameters such as -errorvariable, -outvariable, -pipelinevariable; scope names, action values including the numeric forms, an approved-verb list, a Unicode whitespace splitter and a smart-quote pattern.

Details
  • Consistent with tighter safety analysis of PowerShell commands; the code consuming these tables is elsewhere in the bundle.
Evidence

-responseheadersvariable

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

See this entry in the whole of v2.1.248 →

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