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Sweep 10 Nov 2026 · 02:18Z Build v2.1.322 539 read Stable v2.1.311 Latest v2.1.322 Next v2.1.322 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v2.1.275 ·

CLAUDE_CONTEXT_COLLAPSE_MODEL env var removed entirely

The CLAUDE_CONTEXT_COLLAPSE_MODEL environment variable has been removed

Under the hood Removed
JSON All of v2.1.275
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
Env VarsArea: what it touches
RemovedKind: in v2.1.275,
RemovedSection of the release

Unclear The finding does not say what CLAUDE_CONTEXT_COLLAPSE_MODEL did or why it was removed.

What

The CLAUDE_CONTEXT_COLLAPSE_MODEL environment variable, which was previously recognized and passed through by Claude Code in two places, no longer appears anywhere in the codebase.

Why

Anyone who set this environment variable should know it no longer has any 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 doubtThe finding does not say what CLAUDE_CONTEXT_COLLAPSE_MODEL did or why it was removed.

See this entry in the whole of v2.1.275 →

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