{"version":"2.1.257","anchor":"new-system-prompt-section-for-reduced-delegation-on-opus-5","canonical_anchor":"new-system-prompt-section-for-reduced-delegation-on-opus-5","heading":"New system-prompt section for reduced delegation on Opus 5","tier":"soon","area":"System Prompt","scope":null,"heads_up":null,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.257\/e\/new-system-prompt-section-for-reduced-delegation-on-opus-5","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.257","markdown":"### New system-prompt section for reduced delegation on Opus 5\n\nA new prompt section adds reduced-delegation guidance for Opus-class models, skipped if already cached in memory.\n\nA new system-prompt section, `opus5_reduced_delegation`, adds guidance text for Opus-class models. It's skipped if that guidance is already present in a cached memory value.\n\n- Flag `tengu_slate_bittern`: Not enough to say (read for one account on one subscription tier against v2.1.257; this account: no value returned, anonymous baseline: no value returned, compiled default: on) 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- Area: System Prompt\n- Names: `opus5_reduced_delegation`\n- Tier: Nothing to try yet\n- Useful: 4\/5\n- Signal: 4\/5\n- Present in the build but not switched on"}