[Bug] Preview dropdown missing from session toolbar in Claude Desktop
Resolved 💬 2 comments Opened Mar 24, 2026 by neryangel Closed Apr 23, 2026
Bug Description
Preview dropdown not appearing in session toolbar in Claude Desktop app. Desktop v1.1.8359, CLI v2.1.81, embedded binary v2.1.78. Settings → Preview is ON. launch.json exists. Dev server starts but no Preview dropdown or embedded browser appears. macOS, Max plan.
Environment Info
- Platform: darwin
- Terminal: Apple_Terminal
- Version: 2.1.81
- Feedback ID: f56c2040-7c50-4463-bbfc-ba8fa155dae5
Also seeing "SessionStart:startup hook error" on CLI startup.
Duplicate of or related to #37557, #37491, #36485.
Errors
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