{"name":"tengu_quiet_heron","slug":"tengu-quiet-heron","family":"flag","title":"Feature flags","noun":"feature flag","description":"Continuing a server-side conversation thread can now skip resending the system prompt and tools list, with a fallback if the server disagrees","description_source":"entry","described_by":{"version":"2.1.269","anchor":"tether-thread-continuation-requests-can-omit-system-prompt"},"presence":{"first_seen":"2.1.269","removed_in":null,"in_current_build":true,"newest_mined":"2.1.322","builds":49,"mined_builds":161,"first_cited":{"version":"2.1.269","released_at":"2026-09-11 18:12:49","spans":1}},"aliases":[],"entries":[{"version":"2.1.269","anchor":"tether-thread-continuation-requests-can-omit-system-prompt","heading":"'Tether' thread-continuation requests can omit system prompt\/tools when continuing, behind two off-by-default flags, with a fingerprint-mismatch circuit breaker","line":"Continuing a server-side conversation thread can now skip resending the system prompt and tools list, with a fallback if the server disagrees","released_at":"2026-09-11 18:12:49","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.269","anchor":"new-heron-gate-feeds-an-unused-looking-breaker-tripped-check","heading":"New heron gate feeds an unused-looking breaker-tripped check","line":"New tengu_quiet_heron gate feeds a breaker-tripped check with no found caller in this code","released_at":"2026-09-11 18:12:49","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[{"version":"2.1.269","state":"unknown","account":null,"baseline":null,"code_default":false}],"related":[{"name":"tengu_quiet_almanac","slug":"tengu-quiet-almanac","description":"Claude Code can fetch a privacy checkup notice from Anthropic, show it in the terminal or VS Code, and report whether you saw or dismissed it"},{"name":"tengu_quiet_badger","slug":"tengu-quiet-badger","description":"In remote non-interactive sessions waiting on background shell commands, the long wait length can now come from the server instead of being fixed"},{"name":"tengu_quiet_dolphin","slug":"tengu-quiet-dolphin","description":"The \/diff panel is now prototyped internally as a plugin pane rather than built-in UI"},{"name":"tengu_quiet_elephant","slug":"tengu-quiet-elephant","description":"A new generator builds 5-character random names and retries up to 10 times to avoid a list of banned words"},{"name":"tengu_quiet_ember","slug":"tengu-quiet-ember","description":"Responsive mode is no longer offered when Claude Code runs inside Slack or Teams"},{"name":"tengu_quiet_harbor","slug":"tengu-quiet-harbor","description":"Default `false`. Supplies the background daemon cold-start mode when neither `CLAUDE_CODE_DAEMON_COLD_START` (`transient` or `ask`) nor the `daemonColdStart` setting is set: `true` gives `ask`, `false` gives `transient`. With `ask`, when no background daemon is running and the install prompt has not been dismissed, Claude Code (under further conditions) returns an install request telling you to run `claude daemon install` instead of spawning a transient daemon."},{"name":"tengu_quiet_hollow","slug":"tengu-quiet-hollow","description":null},{"name":"tengu_quiet_hopcroft","slug":"tengu-quiet-hopcroft","description":"When a hook cannot check a call, Claude Code now blocks the call instead of letting it through"},{"name":"tengu_quiet_lantern","slug":"tengu-quiet-lantern","description":"A new gate, tengu_quiet_lantern, controls whether the server classifier falls back to local when unsupported"},{"name":"tengu_quiet_larkspur","slug":"tengu-quiet-larkspur","description":"Some allowed shell commands followed by a NAME=value argument no longer fail the permission check as an unsafe variable setting"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-quiet-heron","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}