Claude Code 2.1.129 release notes

Version

2.1.129

Released

6 May 2026

Status

Stable release

What's new in Claude Code 2.1.129

The official notes for Claude Code 2.1.129 list 27 changes: 3 new features, 15 fixes, 1 security change and 8 other changes.

• 3 new features
• 15 fixes
• 1 security change
• 8 other changes

Highlights

• security change Fixed server-managed settings policy not applying for enterprise/team users whose stored OAuth credentials lacked the user:inference scope
• new feature Added --plugin-url <url> flag to fetch a plugin .zip archive from a URL for the current session
• new feature Added CLAUDE_CODE_FORCE_SYNC_OUTPUT=1 env var to force-enable synchronized output on terminals that auto-detection misses (e.g. Emacs eat)
• new feature Added CLAUDE_CODE_PACKAGE_MANAGER_AUTO_UPDATE: when set on Homebrew or WinGet installations, Claude Code runs the upgrade command in the background and prompts…
• fix Fixed API errors with unrecognized 400 status codes showing raw JSON instead of the underlying error message

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 2.1.129)

All Claude Code release notes · All releases

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