{"name":"tengu_prefix_ledger_notice","slug":"tengu-prefix-ledger-notice","family":"flag","title":"Feature flags","noun":"feature flag","description":"Prompt assembly can tell the model which prefix sites changed since an earlier render, but the mode is hardcoded off.","description_source":"entry","described_by":{"version":"2.1.257","anchor":"prefix-ledger-tell-the-model-about-changed-sites-notice"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.322","builds":0,"mined_builds":161,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.257","anchor":"prefix-ledger-tell-the-model-about-changed-sites-notice","heading":"Prefix-ledger 'tell the model about changed sites' notice \u2014 currently dark","line":"Prompt assembly can tell the model which prefix sites changed since an earlier render, but the mode is hardcoded off.","released_at":"2026-09-01 17:15:33","reason":"found in this entry's text, gate cited by this entry"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_prefix_break_hashes","slug":"tengu-prefix-break-hashes","description":"New sampled telemetry records detailed hashes around cache-prefix breaks."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-prefix-ledger-notice","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}