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Sweep 28 Aug 2026 · 00:00Z Build v2.1.250 478 read Stable v2.1.236 Latest v2.1.250 Next v2.1.250 Feeds RSS JSON llms.txt

DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

Reference / Feature flags

tengu_fleet_past_sessions

A Claude Code feature flag, read out of the shipped bundle. It has been in the build since v2.1.203, including the newest one read.

What it is

Nobody has written a line about this one. It is not in any of Anthropic's reference tables and no changelog entry here carries a description of it. It is in the build, which is the whole of what this page can claim.

Presence across releases

ReleasesReadingDeclared typeDefault
2.1.245 – 2.1.250 5 releases never mined — —
2.1.203 – 2.1.243 40 releases in the build — bool:false

A row reading never mined is a release with no archived bundle behind it. Nothing was read out of it, so nothing here says whether the name was in it. A declared type or a default is only ever what that release's own bundle stated.

Gate readings

ReleaseResolvedThis accountAnonymousCompiled default
v2.1.203 read on another version Off in both readings off off on

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.

Changelog entries naming it

  1. v2.1.203Fleet View Past Sessions [Gradual Rollout]

    gate cited by this entry

Documentation pages

None of Anthropic's documentation pages this site has a copy of carries this name.

Names beside it

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

tengu_fleet_needs_input_nudgeNo description from anybody. 2.1.205 tengu_fleet_nudge_stateNo description from anybody. never mined tengu_fleetview_dead_epoch_offerReopening a job that died offline now asks before respawning, and remembers when it's gone. never mined tengu_fleetview_earlier_loadedNo description from anybody. never mined tengu_fleetview_empty_state_shownPicking a group header in Fleetview no longer bounces your selection back and forth. never mined tengu_fleetview_fold_shownThe press-again-to-delete confirmation is more reliable, and escape now dismisses it properly. never mined tengu_fleetview_onboarding_v2No description from anybody. 2.1.193 tengu_fleetview_peersFleet view can show other running sessions it never tracked, once two gates are on. 2.1.224 tengu_fleetview_pr_batchFleet view still keeps peer session adoption off and batched PR status on by default. 2.1.138 tengu_fleetview_simpleNo description from anybody. 2.1.216

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.