{"name":"tengu_bg_daemon_binary_takeover","slug":"tengu-bg-daemon-binary-takeover","family":"flag","title":"Feature flags","noun":"feature flag","description":"The background daemon can now retire a same-version instance; build is 2.1.248.","description_source":"entry","described_by":{"version":"2.1.248","anchor":"background-daemon-can-retire-a-same-version-instance"},"presence":{"first_seen":null,"removed_in":null,"in_current_build":false,"newest_mined":"2.1.308","builds":0,"mined_builds":149,"first_cited":{"version":"2.1.248","released_at":"2026-08-27 20:35:36","spans":1}},"aliases":[],"entries":[{"version":"2.1.248","anchor":"background-daemon-can-retire-a-same-version-instance","heading":"Background daemon can retire a same-version instance","line":"The background daemon can now retire a same-version instance; build is 2.1.248.","released_at":"2026-08-27 20:35:36","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"tengu_bg_daemon_spawn_failed","slug":"tengu-bg-daemon-spawn-failed","description":"An analytics event, not a feature flag. Claude Code logs it when it fails to spawn the background daemon: when spawning a transient daemon with `daemon run --origin transient` errors, when a configured agent launcher's daemon never becomes reachable, and when the daemon's upgrade self-respawn fails to spawn. Fields include `errno_enoent`, `errno_eacces`, `errno`, `launcher_configured`, `failed_stage` or `respawn` depending on the site."},{"name":"tengu_bg_daemon_spawn_reinstall_wait","slug":"tengu-bg-daemon-spawn-reinstall-wait","description":"Starting the background helper during an npm reinstall now waits and retries instead of failing."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-bg-daemon-binary-takeover","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}