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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 v2.1.227 ·

Launcher wrapper variable warns clearly when it cannot be used

A bad process-wrapper variable now logs clearly, and on Windows warns it is ignored entirely.

You'll notice Improvements
JSON All of v2.1.227
You'll noticeTier: how much it should matter to you
2Useful: my rating, 1 to 5
2Signal: worth watching, 1 to 5
ElsewhereArea: what it touches
ImprovementsKind: in v2.1.227,
ImprovementsSection of the release
What

The environment variable naming a process wrapper is now validated once and cached. If the value is unusable, an error-level log says sessions that require it will refuse to start rather than run unwrapped. On Windows it logs a warning that the value is ignored, because the launcher must exec into Claude Code, so sessions run unwrapped.

Details
  • Only logged when the variable is set.
Evidence

is set but ignored on Windows \u2014 the launcher must exec into Claude Code, which Windows can't do; sessions run unwrapped

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

See this entry in the whole of v2.1.227 →

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