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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.281 ·

Env filtering warns about dropped host-spawn env keys, once per key

Claude Code now tracks which settings environment variables it dropped for host-launched processes, to warn once per variable

You'll notice Improvements
JSON All of v2.1.281
You'll noticeTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
SettingsArea: what it touches
ImprovementsKind: in v2.1.281,
ImprovementsSection of the release
What

Your settings can set environment variables, values passed to the programs Claude Code starts. Some of these are filtered out for processes launched by the host. Claude Code now keeps a record of which ones it has already warned about being dropped, so each is warned about once. The record is cleared when the settings are reset.

Why

You are not warned about the same dropped variable over and over.

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 doubtThe finding does not show the warning text or where it appears.

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