{"name":"tengu_cobalt_plinth_fern","slug":"tengu-cobalt-plinth-fern","family":"flag","title":"Feature flags","noun":"feature flag","description":"Artifact viewer drops a special-case upgrade from 'skip' to 'set' read status","description_source":"entry","described_by":{"version":"2.1.268","anchor":"artifact-read-tracking-seededskip-to-set-upgrade-path-re"},"presence":{"first_seen":"2.1.174","removed_in":null,"in_current_build":true,"newest_mined":"2.1.309","builds":118,"mined_builds":150,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.281","anchor":"artifact-patch-publishes-can-send-per-file-preconditions-and","heading":"Artifact patch publishes can send per-file preconditions and report precondition_failed conflicts","line":"Artifact patch publishes can now send per-file checks and report which files conflicted when a check fails","released_at":"2026-09-23 17:01:17","reason":"gate cited by this entry, found in this entry's text"},{"version":"2.1.268","anchor":"artifact-read-tracking-seededskip-to-set-upgrade-path-re","heading":"Artifact read-tracking: 'seeded'\/skip-to-set upgrade path removed","line":"Artifact viewer drops a special-case upgrade from 'skip' to 'set' read status","released_at":"2026-09-10 18:41:11","reason":"gate cited by this entry"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[{"version":"2.1.281","state":"on-in-code","account":true,"baseline":true,"code_default":true},{"version":"2.1.268","state":"unknown","account":null,"baseline":true,"code_default":true}],"related":[{"name":"tengu_cobalt_plinth","slug":"tengu-cobalt-plinth","description":"PR review artifact pages can show a pinned button that approves the pull request from your GitHub account."},{"name":"tengu_cobalt_plinth_alder","slug":"tengu-cobalt-plinth-alder","description":"Claude can now read back a published artifact's contents; browsing, multi-file publishing and deletion are built but off."},{"name":"tengu_cobalt_plinth_aspen","slug":"tengu-cobalt-plinth-aspen","description":"The preview browser is locked to the local server and refuses to run if the lock fails."},{"name":"tengu_cobalt_plinth_bracken","slug":"tengu-cobalt-plinth-bracken","description":"You could start a private artifact from a published template, but two server switches keep it shut here."},{"name":"tengu_cobalt_plinth_bryony","slug":"tengu-cobalt-plinth-bryony","description":"Claude Code now always tells the artifact system it supports five-class permission asks, instead of depending on a setting or remote switch"},{"name":"tengu_cobalt_plinth_burnet","slug":"tengu-cobalt-plinth-burnet","description":"Artifact comment and subscription operations can each be switched on separately from the server."},{"name":"tengu_cobalt_plinth_campion","slug":"tengu-cobalt-plinth-campion","description":"Publish checks could warn about page thumbnails, but the experiment is off."},{"name":"tengu_cobalt_plinth_comfrey","slug":"tengu-cobalt-plinth-comfrey","description":"A new flag affects relay routing when reading published artifact files."},{"name":"tengu_cobalt_plinth_damson","slug":"tengu-cobalt-plinth-damson","description":"The artifact tool's flat verbs are mapped to a canonical action shape, with a gate deciding which toolset is active."},{"name":"tengu_cobalt_plinth_dataviz","slug":"tengu-cobalt-plinth-dataviz","description":"The chart skill hint now only appears if the dataviz skill is actually installed."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-cobalt-plinth-fern","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}