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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
One name

tengu_humble_hammock

A Claude Code feature flag, read out of the shipped bundle. It has been in the build since v2.1.257, including the newest one read.

Familyfeature flagFeature flags
Builds21of the 123 on this box
First seen v2.1.257 1 Sep 2026
Last seen v2.1.280 22 Sep 2026
Statusin the buildas of v2.1.280

What it is

Two transcript debugging aids, raw tool inputs and exact wire block order, are computed but each sits behind its own gate.

Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.257.

Presence across releases

1
BuildsHow manyDatesReading
v2.1.257 – v2.1.28021 builds1 Sep 2026 → 22 Sep 2026 in the build

Build by build

21

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
v2.1.2571 Sep 2026·addedverdict: added · default bool:false
v2.1.2581 Sep 2026·presentverdict: present · default bool:false
v2.1.2592 Sep 2026·presentverdict: present · default bool:false
v2.1.2603 Sep 2026·presentverdict: present · default bool:false
v2.1.2614 Sep 2026·presentverdict: present · default bool:false
v2.1.2636 Sep 2026·presentverdict: present · default bool:false
v2.1.2658 Sep 2026·presentverdict: present · default bool:false
v2.1.2668 Sep 2026·presentverdict: present · default bool:false
v2.1.2679 Sep 2026·presentverdict: present · default bool:false
v2.1.26810 Sep 2026·presentverdict: present · default bool:false
v2.1.26911 Sep 2026·presentverdict: present · default bool:false
v2.1.27012 Sep 2026·presentverdict: present · default bool:false
v2.1.27114 Sep 2026·presentverdict: present · default bool:false
v2.1.27214 Sep 2026·presentverdict: present · default bool:false
v2.1.27315 Sep 2026·presentverdict: present · default bool:false
v2.1.27416 Sep 2026·presentverdict: present · default bool:false
v2.1.27517 Sep 2026·presentverdict: present · default bool:false
v2.1.27618 Sep 2026·presentverdict: present · default bool:false
v2.1.27718 Sep 2026·presentverdict: present · default bool:false
v2.1.27819 Sep 2026·presentverdict: present · default bool:false
v2.1.28022 Sep 2026·presentverdict: present · default bool:false

First cited

0

No release's published evidence quotes this name. The ledger indexes the Evidence lines of every changelog on this site, so this says nobody here has ever quoted it; it says nothing about how old the name is.

Gate readings

0

No release here has a gate table behind it for this flag. Most published releases have none at all: the readings exist only for versions the pipeline captured flag state on.

Flag server, over time

10
Read asReadingFromUntilVersion installed
this account on 2026-09-12T19:15:05Z 2026-09-23T08:55:05Z v2.1.269 to v2.1.280
anonymous on 2026-09-11T19:55:04Z 2026-09-23T08:55:05Z v2.1.269 to v2.1.280
this account off 2026-09-12T19:13:54Z 2026-09-12T19:13:54Z v2.1.270
this account on 2026-09-11T21:00:07Z 2026-09-12T18:15:04Z v2.1.269
this account off 2026-09-11T20:55:57Z 2026-09-11T20:55:57Z v2.1.269
this account on 2026-09-10T22:50:04Z 2026-09-11T20:15:07Z v2.1.268 to v2.1.269
anonymous off 2026-09-08T21:35:04Z 2026-09-11T19:35:04Z v2.1.265 to v2.1.269
this account off 2026-09-10T21:47:12Z 2026-09-10T21:47:12Z v2.1.268
this account no longer carried 2026-09-10T21:46:45Z 2026-09-10T21:46:45Z v2.1.268
this account off 2026-09-08T21:55:04Z 2026-09-10T17:40:05Z v2.1.265 to v2.1.267

One row per unbroken stretch of one reading, newest first, from snapshots taken every twenty-five minutes or so. No longer carried is not off: it means the flag server stopped returning the gate at all, which is what a retired experiment looks like. The version column is what was installed when the reading was taken, not what caused it.

Names beside it

Every feature flag in the inventory starting tengu_humble, up to twelve of them.

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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