2026-07-20claude-code#release#claude-code#sandbox
Claude Code 2.1.216 — sandbox filesystem toggle & auth-mode fixes
New sandbox.filesystem.disabled setting, faster long sessions, and fixes for auto-mode after OAuth expiry.
Claude Code 2.1.216 is out. Highlights:
- Added
sandbox.filesystem.disabled— skip filesystem isolation while keeping network egress control. - Fixed message normalization slowdown in long sessions (quadratic token cost).
- Fixed auto mode denying commands after OAuth token expiration.
claude update