{"name":"tengu_zippy_harbor","slug":"tengu-zippy-harbor","family":"flag","title":"Feature flags","noun":"feature flag","description":"Six features controlled from Anthropic's servers are now checked early at startup, and five are off unless switched on remotely","description_source":"entry","described_by":{"version":"2.1.300","anchor":"six-new-statsig-style-gates-registered-tengu-mellow-holleri"},"presence":{"first_seen":"2.1.300","removed_in":null,"in_current_build":true,"newest_mined":"2.1.308","builds":9,"mined_builds":149,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.300","anchor":"six-new-statsig-style-gates-registered-tengu-mellow-holleri","heading":"Six server-controlled switches are now checked early at startup","line":"Six features controlled from Anthropic's servers are now checked early at startup, and five are off unless switched on remotely","released_at":"2026-10-14 14:27:26","reason":"found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_zippy_gosling","slug":"tengu-zippy-gosling","description":"Default `0` (off). Idle threshold in milliseconds for an interval poller used by several background checks, including policy limits polling. When it is a positive number, no main-loop query is running, and more time than that has passed since the later of the last user interaction and the last API completion, a poll tick is postponed until the next user interaction, at most `3` ticks in a row; a non-number, zero or negative value turns the postponement off."},{"name":"tengu_zippy_spindle","slug":"tengu-zippy-spindle","description":"New unreleased mechanism lets a fresh prompt abort a running turn early to run sooner"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-zippy-harbor","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}