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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_gable_onyx_sluice

flag in the build JSON

A Claude Code feature flag, read out of the shipped bundle. It has been in the build since v2.1.219, including the newest one read.

Publishing a workshop page would run a structural check and refuse instead of shipping violations.

Not Anthropic's. This is the line from the earliest changelog entry here that named it, v2.1.219.

First seen v2.1.219 24 Jul 2026
Last seen v2.1.308 22 Oct 2026
Builds78 / 149on this box, as of v2.1.308
Written about v2.1.219 first named in a changelog, 24 Jul 2026
v2.1.219in the build not in the build never minedv2.1.308

In the changelogs

7

Releases whose published page names tengu_gable_onyx_sluice.

  1. v2.1.248
    New workshop-page reminder, still dark

    Claude would be warned not to claim artifact edits on workshop pages, but the flag is off.

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

  2. v2.1.221
    Workshop pages can declare a deliverables list

    Workshop pages can list deliverable links as a classified list, but workshop rendering is off here.

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

  3. v2.1.221
    Review pages are protected from overwrite and live-edit

    Claude refuses to publish over or live-edit a page it identifies as a review page.

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

  4. v2.1.219
    Workshop artifact pages get a publish-time structural verifier

    Publishing a workshop page would run a structural check and refuse instead of shipping violations.

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

  5. v2.1.219
    live-edit refused on workshop pages

    Live-edit would be blocked on workshop pages so changes go through the validating publish path.

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

  6. v2.1.219
    Workshop skill gains a direct-HTML authoring lane, and it is now the default

    The workshop skill would now write HTML documents by default, with a strict publish check, but isn't offered.

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

  7. v2.1.219
    The workshop skill moved from hard-disabled to flag-gated

    The workshop skill went from permanently off to flag-gated, so remote config could switch it on.

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

Gate readings

3
ReleaseResolvedThis accountAnonymousCompiled default
v2.1.248 Not enough to say no value returned no value returned off
v2.1.221 read on another version Not enough to say no value returned no value returned off
v2.1.219 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_gable_onyx_sluice was v2.1.219, 24 Jul 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
v2.1.21924 Jul 2026tengu_gable_onyx_sluice

Presence across releases

1
BuildsHow manyDatesReading
v2.1.219 – v2.1.30878 builds24 Jul 2026 → 22 Oct 2026 ◆in the build

Build by build

78

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
v2.1.21924 Jul 2026·addedverdict: added · default bool:false
v2.1.22024 Jul 2026·presentverdict: present · default bool:false
v2.1.2213 Aug 2026·presentverdict: present · default bool:false
v2.1.2224 Aug 2026·presentverdict: present · default bool:false
v2.1.2235 Aug 2026·presentverdict: present · default bool:false
v2.1.2247 Aug 2026·presentverdict: present · default bool:false
v2.1.2257 Aug 2026·presentverdict: present · default bool:false
v2.1.2268 Aug 2026·presentverdict: present · default bool:false
v2.1.22710 Aug 2026·presentverdict: present · default bool:false
v2.1.22811 Aug 2026·presentverdict: present · default bool:false
v2.1.22912 Aug 2026·presentverdict: present · default bool:false
v2.1.23113 Aug 2026·presentverdict: present · default bool:false
v2.1.23213 Aug 2026·presentverdict: present · default bool:false
v2.1.23314 Aug 2026·presentverdict: present · default bool:false
v2.1.23417 Aug 2026·presentverdict: present · default bool:false
v2.1.23518 Aug 2026·presentverdict: present · default bool:false
v2.1.23619 Aug 2026·presentverdict: present · default bool:false
v2.1.23719 Aug 2026·presentverdict: present · default bool:false
v2.1.23820 Aug 2026·presentverdict: present · default bool:false
v2.1.23921 Aug 2026·presentverdict: present · default bool:false
v2.1.24022 Aug 2026·presentverdict: present · default bool:false
v2.1.24122 Aug 2026·presentverdict: present · default bool:false
v2.1.24224 Aug 2026·presentverdict: present · default bool:false
v2.1.24324 Aug 2026·presentverdict: present · default bool:false
v2.1.24525 Aug 2026·presentverdict: present · default bool:false
v2.1.24625 Aug 2026·presentverdict: present · default bool:false
v2.1.24726 Aug 2026·presentverdict: present · default bool:false
v2.1.24827 Aug 2026·presentverdict: present · default bool:false
v2.1.25027 Aug 2026·presentverdict: present · default bool:false
v2.1.25128 Aug 2026·presentverdict: present · default bool:false
v2.1.25231 Aug 2026·presentverdict: present · default bool:false
v2.1.2571 Sep 2026·presentverdict: present · 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
v2.1.28123 Sep 2026·presentverdict: present · default bool:false
v2.1.28224 Sep 2026·presentverdict: present · default bool:false
v2.1.28325 Sep 2026·presentverdict: present · default bool:false
v2.1.28428 Sep 2026·presentverdict: present · default bool:false
v2.1.28529 Sep 2026·presentverdict: present · default bool:false
v2.1.28630 Sep 2026·presentverdict: present · default bool:false
v2.1.2871 Oct 2026·presentverdict: present · default bool:false
v2.1.2882 Oct 2026·presentverdict: present · default bool:false
v2.1.2893 Oct 2026·presentverdict: present · default bool:false
v2.1.2905 Oct 2026·presentverdict: present · default bool:false
v2.1.2916 Oct 2026·presentverdict: present · default bool:false
v2.1.2926 Oct 2026·presentverdict: present · default bool:false
v2.1.2937 Oct 2026·presentverdict: present · default bool:false
v2.1.2948 Oct 2026·presentverdict: present · default bool:false
v2.1.2958 Oct 2026·presentverdict: present · default bool:false
v2.1.2969 Oct 2026·presentverdict: present · default bool:false
v2.1.29914 Oct 2026·presentverdict: present · default bool:false
v2.1.30014 Oct 2026·presentverdict: present · default bool:false
v2.1.30115 Oct 2026·presentverdict: present · default bool:false
v2.1.30216 Oct 2026·presentverdict: present · default bool:false
v2.1.30318 Oct 2026·presentverdict: present · default bool:false
v2.1.30419 Oct 2026·presentverdict: present · default bool:false
v2.1.30520 Oct 2026·presentverdict: present · default bool:false
v2.1.30621 Oct 2026·presentverdict: present · default bool:false
v2.1.30721 Oct 2026·presentverdict: present · default bool:false
v2.1.30822 Oct 2026·presentverdict: present · 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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