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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.308 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
Reference
One family

Feature flags, all 2,095.

GrowthBook gates the client evaluates on startup. Most of what ships is behind one of these before it is announced.

Feature flags2,095seen across 150 builds
In v2.1.309900the newest inventory on disk
Gone316in an earlier build, not in the newest
Described0have a line in Anthropic's documentation
No docs line2,095no line in the documentation we hold

Every feature flag, and where it lived

8 of 2,095 feature flags One tick per build on this box, oldest on the left. A gap is a build the feature flag was not in.
State
This account
Anonymous
Compiled default

A is the one account this site reads, N the anonymous baseline, D what the release compiled in. 1,158 of 2,095 gates have been read at all: a run only records the gates its own release wrote about. Claude Code evaluates its gates on Anthropic's servers, so a reading of off can be a rollout this account sits outside of, and none of it says anything about your install. How to read these.

○ not in v2.1.309, ◇ we found no documentation describing it.

Feature flagWhat it doesSpan v2.1.138 → v2.1.309 Status Reading
tengu_calm_nautilus ◇ Claude Code gains a switch that counts as on unless the server turns it off while Claude Code points at a non-default hostv2.1.307 → v2.1.309 ◆in the build AND v2.1.307 tengu_cedar_lantern ◇ Three existing feature gates moved position; their defaults are unchanged.v2.1.162 → v2.1.309 ◆in the build AND v2.1.248 tengu_cobalt_thicket ◇ Startup telemetry for waits on remote feature settings now records whether the fetch started early on a warm wakev2.1.154 → v2.1.309 ◆in the build AND v2.1.285 tengu_compact_cache_prefix ◇ Compaction and other side runs now pass an advisorStripPlan alongside the existing thinkingStripPlanv2.1.138 or earlier → v2.1.309 ◆in the build AND v2.1.283 tengu_maple_pier ◇ The auto-mode suggestion would only appear in sessions where auto mode can actually be used.v2.1.152 → v2.1.309 ◆in the build AND v2.1.285 tengu_session_name_uniqueness ◇ Duplicate session names on one machine now get a suffix automatically, and callers are told the new name.v2.1.232 → v2.1.309 ◆in the build AND v2.1.232 tengu_smooth_chipmunk ◇ Auto mode's dangerous-action classifier now runs server-side and blocks actions it flags or can't reach.v2.1.261 → v2.1.309 ◆in the build AND v2.1.282 tengu_synchronous_bunny ◇ Claude Code no longer checks for the GitHub app when it is connected through a provider other than Anthropic's own servicev2.1.286 → v2.1.306 ○gone AND v2.1.285
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