{"name":"DYNO","slug":"dyno","family":"env","title":"Environment variables","noun":"environment variable","description":"Read by deployment-environment detection: when it is set and no earlier check matched, the environment is reported as `heroku` in the `deployment_environment` field of Claude Code's telemetry metadata.","description_source":"code","described_by":{"bundle":"2.1.285","author":"claude-opus-5-5"},"presence":{"first_seen":"2.1.138","removed_in":null,"in_current_build":true,"newest_mined":"2.1.309","builds":150,"mined_builds":150,"first_cited":null},"aliases":[],"entries":[],"entries_total":0,"docs":[],"docs_total":0,"gates":[],"related":[],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/dyno","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}