Claude Code v2.1.231Released Aug 13, 2026 · AnthropicWhat the release notes sayWhat's changed Fixed MCP OAuth sign-in failing with a redirect URI mismatch for servers that use a pre-registered OAuth client, such as Slack Source: github.com ↗Source: raw.githubusercontent.com ↗ Olderv2.1.229Newer v2.1.232Every Claude Code release →