Every feature flag, and where it lived
127 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_ticklish_whisper ◇ Auto mode can show a prompt that denies itself after two minutes when you are away; off by default.v2.1.246 → v2.1.309 ◆in the build AND v2.1.246
tengu_tool_pear ◇ A new capability gate tied to the opus_5_5_prompt_bundle flag can unlock certain model features, and a tool_pear beta header now depends on a flag not yet read for this accountv2.1.138 or earlier → v2.1.309 ◆in the build AND v2.1.280
tengu_trace_lantern ◇ Detailed beta tracing now also requires that the session is not diskless, so it stops in sessions that avoid writing to diskv2.1.138 or earlier → v2.1.309 ◆in the build AND v2.1.295
tengu_umber_sluice ◇ The rule stopping Claude publishing artifacts you didn't ask for can now be removed remotely.v2.1.247 → v2.1.309 ◆in the build AND v2.1.247
tengu_valiant_crescent ◇ With CLAUDE_AUTO_BACKGROUND_TASKS set, running foreground subagents move to the background when you have a queued message waitingv2.1.290 → v2.1.309 ◆in the build AND v2.1.290
tengu_vast_tulip ◇ New tool-host attestation floor check replaces old attestation execution logic, gated behind two flagsv2.1.277 → v2.1.309 ◆in the build AND v2.1.277
tengu_vellum_anchor ◇ The out-of-credits message can add a "progress saved" note, off unless a server enables it.v2.1.229 → v2.1.309 ◆in the build AND v2.1.236
tengu_vellum_siding ◇ When the product-feedback policy changes, Claude Code now re-sends every feature switch to the VS Code extension, not just two of themv2.1.143 → v2.1.309 ◆in the build AND v2.1.284
tengu_velvet_gannet ◇ Claude Code has a new check for resumed interrupted turns where it cannot ask you for permission, behind a switch that is off by defaultv2.1.295 → v2.1.309 ◆in the build AND v2.1.305
tengu_velvet_tide ◇ Which models get the simple system prompt is now decided locally, not by remote config.v2.1.210 → v2.1.309 ◆in the build AND v2.1.227
tengu_velvety_ripple ◇ Messages from other sessions now come with notes telling the model they are not from you, or that some could not be shownv2.1.287 → v2.1.309 ◆in the build AND v2.1.287
tengu_violin_arching ◇ A new, switched-off check tells shell commands that only name app identifiers apart from ones that name settings filesv2.1.293 → v2.1.309 ◆in the build AND v2.1.293
tengu_violin_bridgepin ◇ New display styles for background tool results and for repository-trust folder-wait refusalsv2.1.277 → v2.1.309 ◆in the build AND v2.1.277
tengu_violin_endpin ◇ Behind a setting that is off by default, Claude Code checks its settings files before and after a shell command and tells Claude which ones changedv2.1.293 → v2.1.309 ◆in the build AND v2.1.293
tengu_violin_guarneri ◇ Text telling Claude that Claude in Chrome needs no enabling has moved, and a new remote switch now sits where it wasv2.1.300 → v2.1.303 ○gone AND v2.1.300
tengu_violin_luthier ◇ A new --allow-unattended-tool-calls option lets cloud sessions use the current folder for one run, with auto-mode commands running without askingv2.1.290 → v2.1.309 ◆in the build AND v2.1.290
tengu_violin_maple ◇ Claude Code gains switches for a connected mode for cloud sessions and a file sync that depends on it, both off unless turned on remotelyv2.1.284 → v2.1.308 ○gone AND v2.1.284
tengu_violin_rosin ◇ A GetTask tool that reports the state of a background shell command is built in but off unless switched on remotelyv2.1.283 → v2.1.309 ◆in the build AND v2.1.283
tengu_violin_scroll ◇ Claude Code adds an unreleased one-shot 'reannounce' request for remote tools, off by defaultv2.1.280 → v2.1.309 ◆in the build AND v2.1.280
tengu_violin_wood ◇ If you have too many untracked files, cloud seeding refuses and tells you which budget you blew.v2.1.227 → v2.1.309 ◆in the build AND v2.1.295
tengu_vscode_review_upsell ◇ A resume-precheck gate is now passed to the VS Code extension, on by default.v2.1.138 or earlier → v2.1.309 ◆in the build AND v2.1.284
tengu_walnut_spire ◇ Plugin eval checks your credentials first and aborts instead of failing every case.v2.1.198 → v2.1.268 ○gone AND v2.1.235
tengu_watchdog_skip_nonstreaming_fallback ◇ Default false. When on, a streaming request that the stream idle watchdog aborts is not retried as a non-streaming request. CLAUDE_CODE_REMOTE has the same effect, and CLAUDE_CODE_DISABLE_NONSTREAMING_FALLBACK or tengu_disable_streaming_to_non_streaming_fallback disable the fallback for every stream failure.v2.1.211 → v2.1.309 ◆in the build AND v2.1.232
tengu_wild_gosling ◇ A new remotely controlled switch is off by default and never applies to organisations under the HIPAA policyv2.1.290 → v2.1.309 ◆in the build AND v2.1.290
tengu_willow_crate ◇ Opening the diff panel records one event with your terminal width bucket.v2.1.228 → v2.1.259 ○gone AND v2.1.228
tengu_wobbly_dahl ◇ Claude Code can tell the model the user pays per token and what a Bash call costs, but both notes fall back to offv2.1.290 → v2.1.309 ◆in the build AND v2.1.290
tengu_zinc_harbor ◇ Background tasks left running after their owning agent disappears are now automatically stoppedv2.1.275 → v2.1.309 ◆in the build AND v2.1.275
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