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Claude Code v2.1.116 β†’ v2.1.117: Forked subagents and performance improvementsΒ #273

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Description

@claude-yolo

πŸš€ Claude Code v2.1.117 Released

WHY this matters: External builds can now run agent workflows, plus faster startup times.

Key Features

  • Forked subagents: External builds get agent capabilities via CLAUDE_CODE_FORK_SUBAGENT=1
  • OpenTelemetry enhancements: Better tracing with W3C context propagation
  • Performance: Concurrent MCP connections = faster startup
  • UX improvements: Model selection persistence, better plugin management

Notable Changes

  • High effort defaults for Pro/Max on latest models
  • Faster searches on native builds (embedded bfs/ugrep)
  • Improved session resumption for large files
  • Better error handling for expired OAuth tokens

Docs updated: thevibeworks/claude-code-docs#881

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