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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 ·

New environment variable starts the feature-flag refresh earlier in startup

Setting CLAUDE_CODE_GROWTHBOOK_KICK_FROM_INIT lets Claude Code begin its feature-flag refresh during startup instead of after it

Use it now Notable No documentation found New Features
JSON All of v2.1.287
Use it nowTier: how much it should matter to you
5Useful: my rating, 1 to 5
3Signal: worth watching, 1 to 5
StartupArea: what it touches
New FeaturesKind: in v2.1.287,
What probably matters to youSection of the release
What

When it starts, Claude Code refreshes its feature flags, which are server-controlled settings that switch features on and off. If you set the environment variable CLAUDE_CODE_GROWTHBOOK_KICK_FROM_INIT, this refresh step can now start from within the startup setup itself.

If the variable is not set, the step runs after setup, as before. The step is protected so it runs exactly once.

Why

Starting the refresh earlier may change how quickly fresh feature settings arrive and how long startup takes.

Read from
Names in the bundleCLAUDE_CODE_GROWTHBOOK_KICK_FROM_INIT
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 exactly when during setup the early refresh is triggered.
The name it cites is new in this buildNew in this build: CLAUDE_CODE_GROWTHBOOK_KICK_FROM_INIT

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