lab Claude Code Releases · 3d ago · agents

Claude Code v2.1.284 adds Sonnet 5.5 and fixes gateway, plugin, and vim issues

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Anthropic released Claude Code v2.1.284, introducing Claude Sonnet 5.5 as the new default Sonnet model on the API and adding significant updates to the Claude apps gateway.

Added Claude Sonnet 5.5 (claude-sonnet-5-5) with 1M context and specific pricing.
Enhanced gateway spend limits in /usage and added certificate client authentication for identity providers.
Fixed numerous bugs including damaged response streams, session crashes from malformed images, and Bash tool failures on Windows.
Improved vim mode behavior, startup time by building only used settings schema parts, and artifact page design plans.

These changes improve API defaults, gateway security, and overall stability across various platforms and tools.

Importance 1/3 Trust 2/3 Claude Code Releases Anthropic AI agents API & product launches

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