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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

Claude Code v2.1.286 ·

Three more environment variables are read at startup

Claude Code now reads CLAUDE_CODE_CONFIG_PROBE, CLAUDE_CODE_ARTIFACT_SHARE and CLAUDE_CHROME_TAB_GROUP_KEY when it starts

Under the hood Internal Changes
JSON All of v2.1.286
Under the hoodTier: how much it should matter to you
3Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
StartupArea: what it touches
Internal ChangesKind: in v2.1.286,
Internal ChangesSection of the release
What

When it starts, Claude Code now reads three more environment variables (settings you put in your shell before launching a program):

Why

What each variable changes is not described yet, so setting them has no documented effect.

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 known what any of the three variables changes.

See this entry in the whole of v2.1.286 →

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