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Sweep 22 Oct 2026 · 04:32Z Build v2.1.308 527 read Stable v2.1.308 Latest v2.1.308 Next v2.1.308 Feeds RSS JSON llms.txt llms-full.txt Unofficial

tengu_loggia_roster

flag gone JSON

A Claude Code feature flag, read out of the shipped bundle. It was in the build from v2.1.227 and was gone by v2.1.307.

The server can list models that should be routed differently when a refusal fallback happens.

Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.227.

First seen v2.1.227 10 Aug 2026
Last seen v2.1.306 21 Oct 2026, gone by v2.1.307
Builds55 / 149on this box, as of v2.1.308
Written about v2.1.227 first named in a changelog, 10 Aug 2026
v2.1.227in the build not in the build never minedv2.1.308

In the changelogs

1

Releases whose published page names tengu_loggia_roster.

  1. v2.1.227
    Model roster flag can redirect refusal fallback

    The server can list models that should be routed differently when a refusal fallback happens.

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

Gate readings

1
ReleaseResolvedThis accountAnonymousCompiled default
v2.1.227 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.

Flag server, over time

12
Read asReadingFromUntilVersion installed
anonymous [] 2026-10-17T05:30:04Z 2026-10-22T13:40:08Z v2.1.302 to v2.1.308
this account [] 2026-09-10T21:47:12Z 2026-10-22T13:40:08Z v2.1.268 to v2.1.308
anonymous no longer carried 2026-10-17T05:25:57Z 2026-10-17T05:25:57Z v2.1.302
anonymous [] 2026-08-19T04:25:04Z 2026-10-17T05:10:04Z v2.1.233 to v2.1.302
this account no longer carried 2026-09-10T21:46:45Z 2026-09-10T21:46:45Z v2.1.268
this account [] 2026-09-08T20:36:15Z 2026-09-10T17:40:05Z v2.1.263 to v2.1.267
this account no longer carried 2026-09-08T20:34:58Z 2026-09-08T20:34:58Z v2.1.265
this account [] 2026-09-06T02:40:05Z 2026-09-08T18:45:05Z v2.1.261 to v2.1.263
this account no longer carried 2026-09-06T02:36:19Z 2026-09-06T02:36:19Z v2.1.263
this account [] 2026-08-14T23:00:05Z 2026-09-06T01:55:04Z v2.1.232 to v2.1.261
anonymous no longer carried 2026-08-19T04:20:14Z 2026-08-19T04:20:14Z v2.1.233
anonymous [] 2026-08-14T22:35:06Z 2026-08-19T03:45:04Z v2.1.232 to v2.1.233

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.

First cited

1

The earliest release whose published evidence quoted tengu_loggia_roster was v2.1.227, 10 Aug 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
v2.1.22710 Aug 2026tengu_loggia_roster

Presence across releases

8
BuildsHow manyDatesReading
v2.1.227 – v2.1.24114 builds10 Aug 2026 → 22 Aug 2026 ◆in the build
v2.1.242 – v2.1.2475 builds24 Aug 2026 → 26 Aug 2026 ○not in the build
v2.1.248 – v2.1.2608 builds27 Aug 2026 → 3 Sep 2026 ◆in the build
v2.1.261 – v2.1.2632 builds4 Sep 2026 → 6 Sep 2026 ○not in the build
v2.1.265 – v2.1.29631 builds8 Sep 2026 → 9 Oct 2026 ◆in the build
v2.1.299 – v2.1.3046 builds14 Oct 2026 → 19 Oct 2026 ○not in the build
v2.1.305 – v2.1.3062 builds20 Oct 2026 → 21 Oct 2026 ◆in the build
v2.1.307 – v2.1.3082 builds21 Oct 2026 → 22 Oct 2026 ○not in the build

Build by build

70

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
v2.1.22710 Aug 2026·addedverdict: added · default unknown
v2.1.22811 Aug 2026·presentverdict: present · default unknown
v2.1.22912 Aug 2026·presentverdict: present · default unknown
v2.1.23113 Aug 2026·presentverdict: present · default unknown
v2.1.23213 Aug 2026·presentverdict: present · default unknown
v2.1.23314 Aug 2026·presentverdict: present · default unknown
v2.1.23417 Aug 2026·presentverdict: present · default unknown
v2.1.23518 Aug 2026·presentverdict: present · default unknown
v2.1.23619 Aug 2026·presentverdict: present · default unknown
v2.1.23719 Aug 2026·presentverdict: present · default unknown
v2.1.23820 Aug 2026·presentverdict: present · default unknown
v2.1.23921 Aug 2026·presentverdict: present · default unknown
v2.1.24022 Aug 2026·presentverdict: present · default unknown
v2.1.24122 Aug 2026·presentverdict: present · default unknown
v2.1.24224 Aug 2026·removedverdict: removed
v2.1.24324 Aug 2026·absent—
v2.1.24525 Aug 2026·absent—
v2.1.24625 Aug 2026·absent—
v2.1.24726 Aug 2026·absent—
v2.1.24827 Aug 2026·addedverdict: added · default unknown
v2.1.25027 Aug 2026·presentverdict: present · default unknown
v2.1.25128 Aug 2026·presentverdict: present · default unknown
v2.1.25231 Aug 2026·presentverdict: present · default unknown
v2.1.2571 Sep 2026·presentverdict: present · default unknown
v2.1.2581 Sep 2026·presentverdict: present · default unknown
v2.1.2592 Sep 2026·presentverdict: present · default unknown
v2.1.2603 Sep 2026·presentverdict: present · default unknown
v2.1.2614 Sep 2026·removedverdict: removed
v2.1.2636 Sep 2026·absent—
v2.1.2658 Sep 2026·addedverdict: added · default unknown
v2.1.2668 Sep 2026·presentverdict: present · default unknown
v2.1.2679 Sep 2026·presentverdict: present · default unknown
v2.1.26810 Sep 2026·presentverdict: present · default unknown
v2.1.26911 Sep 2026·presentverdict: present · default unknown
v2.1.27012 Sep 2026·presentverdict: present · default unknown
v2.1.27114 Sep 2026·presentverdict: present · default unknown
v2.1.27214 Sep 2026·presentverdict: present · default unknown
v2.1.27315 Sep 2026·presentverdict: present · default unknown
v2.1.27416 Sep 2026·presentverdict: present · default unknown
v2.1.27517 Sep 2026·presentverdict: present · default unknown
v2.1.27618 Sep 2026·presentverdict: present · default unknown
v2.1.27718 Sep 2026·presentverdict: present · default unknown
v2.1.27819 Sep 2026·presentverdict: present · default unknown
v2.1.28022 Sep 2026·presentverdict: present · default unknown
v2.1.28123 Sep 2026·presentverdict: present · default unknown
v2.1.28224 Sep 2026·presentverdict: present · default unknown
v2.1.28325 Sep 2026·presentverdict: present · default unknown
v2.1.28428 Sep 2026·presentverdict: present · default unknown
v2.1.28529 Sep 2026·presentverdict: present · default unknown
v2.1.28630 Sep 2026·presentverdict: present · default unknown
v2.1.2871 Oct 2026·presentverdict: present · default unknown
v2.1.2882 Oct 2026·presentverdict: present · default unknown
v2.1.2893 Oct 2026·presentverdict: present · default unknown
v2.1.2905 Oct 2026·presentverdict: present · default unknown
v2.1.2916 Oct 2026·presentverdict: present · default unknown
v2.1.2926 Oct 2026·presentverdict: present · default unknown
v2.1.2937 Oct 2026·presentverdict: present · default unknown
v2.1.2948 Oct 2026·presentverdict: present · default unknown
v2.1.2958 Oct 2026·presentverdict: present · default unknown
v2.1.2969 Oct 2026·presentverdict: present · default unknown
v2.1.29914 Oct 2026·removedverdict: removed
v2.1.30014 Oct 2026·absent—
v2.1.30115 Oct 2026·absent—
v2.1.30216 Oct 2026·absent—
v2.1.30318 Oct 2026·absent—
v2.1.30419 Oct 2026·absent—
v2.1.30520 Oct 2026·addedverdict: added · default unknown
v2.1.30621 Oct 2026·presentverdict: present · default unknown
v2.1.30721 Oct 2026·removedverdict: removed
v2.1.30822 Oct 2026·absent—

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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