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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

tengu_lantern_snuffer

flag in the build JSON

A Claude Code feature flag, read out of the shipped bundle. It has been in the build since v2.1.288, including the newest one read.

A new remote switch, off by default, can stop extended usage requests for workflows set to wait out a usage limit

Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.288.

First seen v2.1.288 2 Oct 2026
Last seen v2.1.288 2 Oct 2026
Builds1 / 131on this box, as of v2.1.288
Written about v2.1.288 first named in a changelog, 2 Oct 2026
v2.1.288in the build not in the build never minedv2.1.288

In the changelogs

1

Releases whose published page names tengu_lantern_snuffer.

  1. v2.1.288
    Workflows that wait out a usage limit can be kept off extended usage requests

    A new remote switch, off by default, can stop extended usage requests for workflows set to wait out a usage limit

    gate cited by this entry, found in this entry's text

Gate readings

1
ReleaseResolvedThis accountAnonymousCompiled default
v2.1.288 read on another version Not enough to say no value returned no value returned off

Two arms, because they disagree: this account is the one account this site reads and anonymous is a baseline with no identity attached. A reading says nothing about your account, and off cannot rule out a rollout both readings sit outside of. What these readings can and cannot show.

First cited

1

The earliest release whose published evidence quoted tengu_lantern_snuffer was v2.1.288, 2 Oct 2026. That is the oldest release this project wrote about it, so it is a floor on the name's age and not the release that introduced it. It is not a presence reading: which builds carried the name is the table below.

ReleaseDateThe span that was quoted
v2.1.2882 Oct 2026tengu_lantern_snuffer

Presence across releases

1
BuildsHow manyDatesReading
v2.1.2881 build2 Oct 2026 ◆in the build

Build by build

1

One row per release since the first build this name was read out of. Absent means the build was read and the name was not in it, never mined means no bundle for that release was ever archived, and a declared type or a default is only ever what that release's own bundle stated.

BuildDateStateThe record behind it
v2.1.2882 Oct 2026·addedverdict: added · default bool:false

Read out of the published npm bundle release by release, and out of Anthropic's own documentation as this site captured it. Nothing on this page is a description anybody here wrote about what the feature flag does. All feature flags.

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