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Sweep 25 Sep 2026 · 19:33Z Build v2.1.283 504 read Stable v2.1.274 Latest v2.1.283 Next v2.1.283 Feeds RSS JSON llms.txt llms-full.txt Unofficial

tengu_noble_snowflake

flag in the build JSON

A Claude Code feature flag, read out of the shipped bundle. It has been in the build since v2.1.281, including the newest one read.

A new telemetry event, tengu_bridge_transcript_deferral, reports each stage of Remote Control's deferred transcript upload

Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.281.

First seen v2.1.281 23 Sep 2026
Last seen v2.1.283 25 Sep 2026
Builds3 / 126on this box, as of v2.1.283
Written about v2.1.281 first named in a changelog, 23 Sep 2026
v2.1.281in the build not in the build never minedv2.1.283

In the changelogs

2

Releases whose published page names tengu_noble_snowflake.

  1. v2.1.281
    New telemetry for the transcript-deferral lifecycle

    A new telemetry event, tengu_bridge_transcript_deferral, reports each stage of Remote Control's deferred transcript upload

    gate cited by this entry

  2. v2.1.281
    Remote Control can hold back transcript upload until a client opens the session (dark-launched)

    Remote Control has a new mode that holds back the full transcript upload until a client opens the session, controlled by remote config

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

Gate readings

1
ReleaseResolvedThis accountAnonymousCompiled default
v2.1.281 read on another version Not enough to say no value returned no value returned not a boolean we can read

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

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.

Presence across releases

1
BuildsHow manyDatesReading
v2.1.281 – v2.1.2833 builds23 Sep 2026 → 25 Sep 2026 ◆in the build

Build by build

3

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
v2.1.28123 Sep 2026·addedverdict: added · default null
v2.1.28224 Sep 2026·presentverdict: present · default null
v2.1.28325 Sep 2026·presentverdict: present · default null

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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