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Sweep 01 Oct 2026 · 17:27Z Build v2.1.287 508 read Stable v2.1.285 Latest v2.1.287 Next v2.1.287 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.287 ·

Four new startup environment variables for cloud sessions

Claude Code now reads four new startup environment variables and passes them through to cloud sessions; they do nothing unless set

Use it now Notable New Features
JSON All of v2.1.287
Use it nowTier: how much it should matter to you
5Useful: my rating, 1 to 5
4Signal: worth watching, 1 to 5
Cloud SessionsArea: what it touches
New FeaturesKind: in v2.1.287,
What probably matters to youSection of the release
What

An environment variable is a named value set before a program starts. Claude Code now reads four new ones and adds them to the list it passes through to cloud sessions, which are Claude Code sessions run on remote machines:

They sit next to the existing CLAUDE_CODE_CCR_EARLY_* startup switches. Each one changes what Claude Code does when it starts.

Why

These are opt-in startup options for hosted sessions. They change nothing unless the environment running the session sets 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 doubtIt is not clear what each variable changes when set, or what normally sets them.

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