{"name":"tengu_slate_lantern_ember","slug":"tengu-slate-lantern-ember","family":"flag","title":"Feature flags","noun":"feature flag","description":"Re-armed artifact watches could reuse an existing connection instead of starting over, but the flag is off.","description_source":"entry","described_by":{"version":"2.1.236","anchor":"live-artifact-watches-can-reuse-a-subscription-instead-of-re"},"presence":{"first_seen":"2.1.236","removed_in":null,"in_current_build":true,"newest_mined":"2.1.309","builds":63,"mined_builds":150,"first_cited":{"version":"2.1.236","released_at":"2026-08-19 18:45:14","spans":1}},"aliases":[],"entries":[{"version":"2.1.257","anchor":"new-reconnect-jitter-spread-for-artifact-re-arm-gated-behin","heading":"New reconnect-jitter spread for artifact re-arm, gated behind tengu_slate_lantern_ember","line":"Re-arming an artifact watch can add a computed delay to spread reconnect attempts, behind a gate.","released_at":"2026-09-01 17:15:33","reason":"found in this entry's text, gate cited by this entry"},{"version":"2.1.250","anchor":"long-stall-backoff-band-and-randomised-give-up-window-for-li","heading":"Long-stall backoff band and randomised give-up window for live watches","line":"Stalled watches now wait 2-4 minutes between retries and give up at a random point between 30 and 45 minutes.","released_at":"2026-08-27 22:27:48","reason":"named in this entry, gate cited by this entry, found in this entry's text"},{"version":"2.1.250","anchor":"which-stall-backoff-tier-is-used-depends-on-the-lease-mode-f","heading":"Which stall backoff tier is used depends on the lease-mode flag","line":"Repeat stalls take the long 2-4 minute retry tier because lease mode is off in a stock build.","released_at":"2026-08-27 22:27:48","reason":"named in this entry, gate cited by this entry, found in this entry's text"},{"version":"2.1.236","anchor":"live-artifact-watches-can-reuse-a-subscription-instead-of-re","heading":"Live artifact watches can reuse a subscription instead of re-subscribing","line":"Re-armed artifact watches could reuse an existing connection instead of starting over, but the flag is off.","released_at":"2026-08-19 18:45:14","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.236","anchor":"new-flag-tengu-slate-lantern-ember-for-lease-based-artifact-","heading":"New flag tengu_slate_lantern_ember for lease-based artifact auto-replies","line":"One new switch controls both early artifact comment reads and a lease-based auto-reply mode, off by default.","released_at":"2026-08-19 18:45:14","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.236","anchor":"early-artifact-comment-read-is-behind-two-flags-both-off","heading":"Early artifact comment read is behind two flags, both off","line":"The early artifact comment read needs two separate switches, both of which default off.","released_at":"2026-08-19 18:45:14","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":6,"docs":[],"docs_total":0,"gates":[{"version":"2.1.257","state":"on-in-practice","account":true,"baseline":true,"code_default":false},{"version":"2.1.250","state":"on-in-practice","account":true,"baseline":true,"code_default":false},{"version":"2.1.236","state":"off","account":false,"baseline":false,"code_default":false}],"related":[{"name":"tengu_slate_lantern","slug":"tengu-slate-lantern","description":"A new --watch-artifact flag follows a claude.ai artifact for new versions and comments, but needs account access."},{"name":"tengu_slate_lantern_hush","slug":"tengu-slate-lantern-hush","description":"Artifact live-connection keepalive pings can now stretch out during idle periods"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-slate-lantern-ember","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}