{"name":"tengu_purring_reef","slug":"tengu-purring-reef","family":"flag","title":"Feature flags","noun":"feature flag","description":"Uploading a video attachment can now include a thumbnail image, only in hosted remote environments and only when a remote switch is on","description_source":"entry","described_by":{"version":"2.1.321","anchor":"video-thumbnails-for-attachment-uploads-behind-tengu-purrin"},"presence":{"first_seen":"2.1.321","removed_in":null,"in_current_build":true,"newest_mined":"2.1.322","builds":2,"mined_builds":161,"first_cited":{"version":"2.1.321","released_at":"2026-11-09 19:02:47","spans":1}},"aliases":[],"entries":[{"version":"2.1.321","anchor":"video-thumbnails-for-attachment-uploads-behind-tengu-purrin","heading":"Video attachments can be sent with a preview image, behind a switch","line":"Uploading a video attachment can now include a thumbnail image, only in hosted remote environments and only when a remote switch is on","released_at":"2026-11-09 19:02:47","reason":"gate cited by this entry, found in this entry's text"}],"entries_total":1,"docs":[],"docs_total":0,"gates":[{"version":"2.1.321","state":"off","account":false,"baseline":false,"code_default":false}],"related":[{"name":"tengu_purring_aurora","slug":"tengu-purring-aurora","description":"On macOS, the native updater can install Claude Code as a verified claude.app bundle when `CLAUDE_CODE_NATIVE_APP_BUNDLE` is set, else as before"},{"name":"tengu_purring_micali","slug":"tengu-purring-micali","description":"Claude Code now picks how to report findings, asking for one line per finding with its outcome in some desktop and web sessions"},{"name":"tengu_purring_pine","slug":"tengu-purring-pine","description":"Behind a server-controlled switch, the tool that delivers a report to its caller can now make the agent stop straight after"},{"name":"tengu_purring_yeti","slug":"tengu-purring-yeti","description":"A list Claude Code fetches from its remote configuration is now read under a different name, so values set under the old name no longer apply"}],"url":"https:\/\/changelogs.core-directive.com\/reference\/flag\/tengu-purring-reef","family_url":"https:\/\/changelogs.core-directive.com\/reference\/flag.json"}