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Claude Code Issues / Versions / v2.1.133

Claude Code v2.1.133

Released May 7, 2026 (3 months ago).

129 issues reference this build
5 still open
124 resolved (96%)

"References this build" means the issue body mentions running 2.1.133 (from the bug-report template). It reflects report volume, not a proven defect count — an issue may mention a version without being caused by it. First-party data from the anthropics/claude-code tracker.

Top issues reported on v2.1.133

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Changelog

What's changed

  • Added worktree.baseRef setting (fresh | head) to choose whether --worktree, EnterWorktree, and agent-isolation worktrees branch from origin/<default> or local HEAD. Note: the default fresh changes EnterWorktree's base back to origin/<default> (it has been local HEAD since 2.1.128) — set worktree.baseRef: "head" to keep unpushed commits in new worktrees
  • Added sandbox.bwrapPath and sandbox.socatPath managed settings (Linux/WSL) to specify custom bubblewrap and socat binary locations
  • Added parentSettingsBehavior admin-tier key ('first-wins' | 'merge') to let admins opt SDK managedSettings (parent tier) into the policy merge
  • Hooks now receive the active effort level via the effort.level JSON input field and the $CLAUDE_EFFORT environment variable, and Bash tool commands can read $CLAUDE_EFFORT
  • Improved focus mode behavior
  • Improved memory usage by releasing warm-spare background workers under memory pressure
  • Fixed parallel sessions all dead-ending at 401 after a refresh-token race wiped shared credentials
  • Fixed Edit/Write allow rules scoped to a drive root (C:\) or POSIX / matching incorrectly and always prompting
  • Fixed an unhandled rejection (ECOMPROMISED) when a history or session-log file lock is compromised by clock skew or slow disk
  • Fixed pressing Esc during conversation compaction showing a spurious "Error compacting conversation" notification
  • Fixed HTTP(S)_PROXY / NO_PROXY / mTLS not being respected for the full MCP OAuth flow including discovery, dynamic client registration, token exchange, and token refresh
  • Fixed Read/Write/Edit being denied on mapped network drives passed via --add-dir / SDK additionalDirectories
  • Fixed Remote Control stop/interrupt from claude.ai not fully canceling the CLI session the same way local Esc does, causing queued messages to never advance after interrupting a stuck tool or prompt
  • Fixed /effort in one session unexpectedly changing the effort level of other concurrent sessions, and a related issue where an IDE effort change could be silently dropped
  • Fixed subagents not discovering project, user, or plugin skills via the Skill tool
  • claude --help now lists --remote-control alongside --remote-control-session-name-prefix
  • [VSCode] Fixed claudeCode.claudeProcessWrapper failing with "Unsupported platform" when the extension build doesn't bundle a Claude binary