{"version":"2.1.286","anchor":"new-env-vars-claude-code-config-probe-claude-code-artifact","canonical_anchor":"new-env-vars-claude-code-config-probe-claude-code-artifact","heading":"Three more environment variables are read at startup","tier":"internal","area":"Startup","url":"https:\/\/changelogs.core-directive.com\/v\/2.1.286\/e\/new-env-vars-claude-code-config-probe-claude-code-artifact","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.286","markdown":"### Three more environment variables are read at startup\n\nClaude Code now reads `CLAUDE_CODE_CONFIG_PROBE`, `CLAUDE_CODE_ARTIFACT_SHARE` and `CLAUDE_CHROME_TAB_GROUP_KEY` when it starts\n\n**Unclear.** It is not known what any of the three variables changes.\n\n**What**\n\nWhen it starts, Claude Code now reads three more environment variables (settings you put in your shell before launching a program):\n\n- `CLAUDE_CODE_CONFIG_PROBE`, which did not exist before\n\n- `CLAUDE_CODE_ARTIFACT_SHARE`, which did not exist before\n\n- `CLAUDE_CHROME_TAB_GROUP_KEY`\n\n**Why**\n\nWhat each variable changes is not described yet, so setting them has no documented effect.\n\n- Area: Startup\n- Tier: Under the hood\n- Useful: 3\/5\n- Signal: 3\/5"}