{"name":"tengu_cobalt_plinth_reader_persist","slug":"tengu-cobalt-plinth-reader-persist","family":"flag","title":"Feature flags","noun":"feature flag","description":"A prompt-and-context experiment switch was renamed and four other switches disappeared entirely.","description_source":"entry","described_by":{"version":"2.1.246","anchor":"prompt-and-context-experiment-renamed-to-tengu-expressive-wh"},"presence":{"first_seen":"2.1.191","removed_in":"2.1.246","in_current_build":false,"newest_mined":"2.1.308","builds":51,"mined_builds":149,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.246","anchor":"prompt-and-context-experiment-renamed-to-tengu-expressive-wh","heading":"Prompt and context experiment renamed to tengu_expressive_whistle , four other switches retired","line":"A prompt-and-context experiment switch was renamed and four other switches disappeared entirely.","released_at":"2026-08-25 19:17:34","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[{"version":"2.1.246","state":"on-in-code","account":true,"baseline":true,"code_default":null}],"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-reader-persist","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}