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Sweep 02 Oct 2026 · 18:55Z Build v2.1.288 509 read Stable v2.1.285 Latest v2.1.288 Next v2.1.288 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v2.1.288 ·

A remote switch is now read by name and still falls back to on

One check now reads its remote switch under a fixed name and still falls back to on when the server sends nothing

Under the hood Internal Changes
JSON All of v2.1.288
Under the hoodTier: how much it should matter to you
1Useful: my rating, 1 to 5
1Signal: worth watching, 1 to 5
InternalsArea: what it touches
Internal ChangesKind: in v2.1.288,
Internal ChangesSection of the release
What

One check in Claude Code now reads the remote switch tengu_keen_lantern by name. Like before, it falls back to on when the server sends nothing.

Why

In practice the fallback is the same as before.

Read from
Feature flag
tengu_keen_lantern On for this account, and not off by default

The flag server returned on for the one account this site reads, and nothing in this release compiles it off by default. The compiled default is shown below, and says which it is when we cannot read one: a fifth of gates compile in a string or a number rather than on or off, and most published releases have no gate table behind them at all. No client can see what the server returns for your account.

This account: on · anonymous baseline: on · compiled default in v2.1.288: on

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 v2.1.288. It isn't a statement about your account. What a flag value here can and cannot tell you

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 doubtWhether the switch read before was the same one is not known.
The name it cites is new in this buildNew in this build: tengu_keen_lantern

See this entry in the whole of v2.1.288 →

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