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Sweep 22 Oct 2026 · 20:42Z Build v2.1.309 528 read Stable v2.1.308 Latest v2.1.308 Next v2.1.309 Feeds RSS JSON llms.txt llms-full.txt Unofficial
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Claude Code v1.0.21 ·

Improvements

Entry
JSON All of v1.0.21
EntryKind: in v1.0.21,
ChangesSection of the release

Enhanced OAuth/Authentication Flow

  • Improved OAuth client information handling during authorization flows
  • Better support for dynamic OAuth client registration
  • Enhanced client metadata persistence when exchanging authorization codes
  • More robust handling of OAuth redirect URLs with proper client ID parameters

Error Handling Enhancements

  • Added validation for server capability requirements:
  • Prompts support verification for MCP servers
  • Proper error messages when servers don't support required features
  • Better error reporting for incompatible authentication servers
  • Improved validation for OAuth response types and code challenge methods

See this entry in the whole of v1.0.21 →

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