{"name":"CLAUDE_INTERNAL_FC_OVERRIDES","slug":"claude-internal-fc-overrides","family":"env","title":"Environment variables","noun":"environment variable","description":"The CLAUDE_INTERNAL_FC_OVERRIDES env var no longer overrides feature flags.","description_source":"entry","described_by":{"version":"2.1.261","anchor":"growthbook-env-var-feature-overrides-disabled"},"presence":{"first_seen":"2.1.160","removed_in":null,"in_current_build":true,"newest_mined":"2.1.309","builds":130,"mined_builds":150,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.287","anchor":"telemetrygrowthbook-env-vars-added-to-a-list-likely-env-al","heading":"Telemetry and feature-flag environment variables are gathered in a new list","line":"Claude Code now keeps a list of the environment variables that affect telemetry and feature flags","released_at":"2026-10-01 16:59:25","reason":"found in this entry's text"},{"version":"2.1.261","anchor":"growthbook-env-var-feature-overrides-disabled","heading":"GrowthBook env var feature overrides disabled","line":"The CLAUDE_INTERNAL_FC_OVERRIDES env var no longer overrides feature flags.","released_at":"2026-09-04 17:49:34","reason":"found in this entry's text, named in this entry"}],"entries_total":2,"docs":[],"docs_total":0,"gates":[],"related":[{"name":"CLAUDE_INTERNAL_ASSISTANT_TEAM_NAME","slug":"claude-internal-assistant-team-name","description":"Set by Claude Code when it relaunches itself as the latest version, to carry the current agent team name into the new process. The new process reads it once, deletes it from its environment, and uses it as the team name when no existing team name is given; without it the name defaults to `session-` plus the first 8 characters of an id."},{"name":"CLAUDE_INTERNAL_WARM_RESUME_QA","slug":"claude-internal-warm-resume-qa","description":null}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/claude-internal-fc-overrides","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}