{"name":"tengu_level_harbor","slug":"tengu-level-harbor","family":"flag","title":"Feature flags","noun":"feature flag","description":"Claude Code dropped four server-controlled experiment switches and added many others, nearly all off unless switched on remotely","description_source":"entry","described_by":{"version":"2.1.323","anchor":"experiment-gate-list-changed"},"presence":{"first_seen":"2.1.323","removed_in":null,"in_current_build":true,"newest_mined":"2.1.323","builds":1,"mined_builds":162,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.323","anchor":"experiment-gate-list-changed","heading":"The set of server-controlled experiments has changed","line":"Claude Code dropped four server-controlled experiment switches and added many others, nearly all off unless switched on remotely","released_at":"2026-11-12 20:29:28","reason":"gate cited by this entry"},{"version":"2.1.323","anchor":"new-headless-flags-tengu-glistening-wreath-and-tengu-level","heading":"Two new server-controlled switches for non-interactive runs and tool loading","line":"Two new switches, both off unless turned on remotely, affect how a stopped non-interactive run reports itself and how always-loaded tools are handled","released_at":"2026-11-12 20:29:28","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[{"version":"2.1.323","state":"unknown","account":null,"baseline":false,"code_default":false}],"related":[{"name":"tengu_level_dunlin","slug":"tengu-level-dunlin","description":"On resume, a conversation ending in a hidden message that started a turn now counts as an interrupted turn, behind a setting on by default"},{"name":"tengu_level_plover","slug":"tengu-level-plover","description":"Claude Code now lists seven more server-controlled experiment switches, with no visible effect described yet"},{"name":"tengu_level_wren","slug":"tengu-level-wren","description":"Attachment uploads now have separate remote settings for preview and scaled copies, and Claude is told when an image went out scaled down"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-level-harbor","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}