ReleasesClaude Code version history

Claude Code 2.1.133

Released

Claude Code 2.1.133 was released on May 7, 2026 with 17 documented changes.

What changed in Claude Code 2.1.133?

In our words, from the release notes — never copied.

  • Worktree branching behavior now defaults to a fresh origin, with an option to revert to local HEAD for existing unpushed commits.
  • Administrators can now configure how SDK `managedSettings` are merged when dealing with parent-tier settings.
  • Tool hooks and Bash commands can now access the active effort level, allowing for more dynamic execution.
  • Multiple issues were resolved concerning network drive access, proxy settings, and credential management for improved stability.
  • Performance enhancements include better memory usage and improved focus mode behavior.
  • Several fixes address problems with concurrent sessions, ensuring consistent effort level application and proper session termination.

Is this the latest version?

This page is frozen to Claude Code 2.1.133 and stays at this address. The Claude Code version history always lists the newest tracked version first.

Summarized by Claude Network from GitHub. Last verified .