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Sweep 22 Oct 2026 · 21:04Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.309 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial

Claude Code v0.2.41 ·

Technical Changes

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JSON All of v0.2.41
EntryKind: in v0.2.41,
ChangesSection of the release

Refactored MCP Architecture

  • Replaced monolithic MCP initialization with a more modular approach:
  • New cS1() function for parallel MCP server connections
  • New zx2() function for aggregating MCP resources
  • New Qx2() React hook for managing MCP state in the UI
  • Improved error handling with per-server error isolation
  • Better separation of concerns between connection, tool discovery, and prompt discovery

Performance Optimizations

  • Changed from SHA-256 web crypto API to Node.js native crypto module for hash operations
  • More efficient stream handling with direct Readable imports
  • Improved memoization for tool and command lists with new gl2() and Ul2() utility functions

Code Quality

  • Better TypeScript/Zod schema validation for MCP server configurations
  • Cleaner import organization and dependency management
  • More consistent error messaging and logging patterns

See this entry in the whole of v0.2.41 →

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