{"version":"2.1.66","anchor":"output-efficiency-system-upgraded-gradual-rollout","canonical_anchor":"output-efficiency-system-upgraded-gradual-rollout","heading":"Output Efficiency System Upgraded [Gradual Rollout]","tier":null,"area":null,"scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.66\/e\/output-efficiency-system-upgraded-gradual-rollout","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.66","markdown":"### Output Efficiency System Upgraded [Gradual Rollout]\n\nThe output brevity system has been upgraded from a single on\/off toggle (`tengu_sotto_voce`) to a three-tier system (`tengu_swann_brevity`) with modes:\n\n- **strict**: Extremely concise \u2014 \"Use the fewest words necessary. Omit preamble, filler, pleasantries.\"\n- **focused**: Extra concise \u2014 \"Lead with the answer or action, not the reasoning.\"\n- **polished**: Balanced \u2014 \"Concise and polished. Never omit important information.\"\n\n**Evidence**\n\nOutput efficiency modes (search for `\"tengu_swann_brevity\"`)\n\n- Flag `tengu_sotto_voce`: On for this account, and not off by default (read for one account on one subscription tier against v2.1.66; this account: on, anonymous baseline: on, compiled default: no gate table built for this version) These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release.\n- Flag `tengu_swann_brevity`: Not enough to say (read for one account on one subscription tier against v2.1.66; this account: no value returned, anonymous baseline: no value returned, compiled default: no gate table built for this version) These values were read against a different version of Claude Code, so treat them as the nearest reading available instead of one taken on this release."}