Claude Code 2.1.83 release notes

Version

2.1.83

Released

25 March 2026

Status

Stable release

What's new in Claude Code 2.1.83

The official notes for Claude Code 2.1.83 list 59 changes: 6 new features, 31 fixes, 4 performance improvements, 1 security change and 17 other changes.

• 6 new features
• 31 fixes
• 4 performance improvements
• 1 security change
• 17 other changes

Highlights

• security change Added CLAUDE_CODE_SUBPROCESS_ENV_SCRUB=1 to strip Anthropic and cloud provider credentials from subprocess environments (Bash tool, hooks, MCP stdio servers)
• new feature Added managed-settings.d/ drop-in directory alongside managed-settings.json, letting separate teams deploy independent policy fragments that merge alphabetically
• new feature Added CwdChanged and FileChanged hook events for reactive environment management (e.g., direnv)
• new feature Added sandbox.failIfUnavailable setting to exit with an error when sandbox is enabled but cannot start, instead of running unsandboxed
• new feature Added disableDeepLinkRegistration setting to prevent claude-cli:// protocol handler registration

Our short summary: changes are counted and classified automatically from the official notes, and highlights are shortened. The complete, authoritative list is in the official release notes on GitHub.

Full release notes on GitHub (Claude Code 2.1.83)

All Claude Code release notes · All releases

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