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DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.

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Claude Code v0.2.78

OAuth Token Refresh Support

  • Added automatic OAuth token refresh functionality for MCP (Model Context Protocol) connections
  • When an OAuth access token expires, Claude Code will now automatically attempt to refresh it using the refresh token
  • This prevents authentication interruptions during long sessions
  • Usage: This happens automatically in the background when using MCP servers that require OAuth authentication

Related

Other releases about the same thing. Found by shared names or similar wording; neither means one caused the other.

See this entry in the whole of v0.2.78 →