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Sweep 22 Sep 2026 · 17:19Z Build v2.1.280 501 read Stable v2.1.267 Latest v2.1.280 Next v2.1.280 Feeds RSS JSON llms.txt Unofficial
Claude Code v2.1.277 ·

Version-config minimum-version check refactored into a separate function

Startup version-check logic was refactored into its own function, no behavior change

TierUnder the hoodhow much it should matter to you
Useful1my rating, 1 to 5
Signal0worth watching, 1 to 5
AreaUpdaterwhat it touches
KindInternal Changesin v2.1.277,
Under the hood

Startup version-check logic was refactored into its own function, no behavior change

What

The startup check that fetches the tengu_version_config setting and warns when your CLI version is too old has been reorganized: the logic that issues the warning and reports it now lives in its own separate function, instead of being written inline inside the same routine that fetches the config.

Why

This is an internal code cleanup with no described change in behavior; it should not change what you see when your CLI is out of date.

Read from
Feature flag
tengu_version_config Not enough to say

Nothing here resolved what this flag was doing on this version, so nothing here should be read as on or off.

This account: no value returned · anonymous baseline: no value returned · compiled default in v2.1.277: not a boolean we can read

These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.

Read once, for one account on one subscription tier, against v2.1.277. It isn't a statement about your account. What a flag value here can and cannot tell you

See this entry in the whole of v2.1.277 →

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