LaunchDevelopersAugust 21, 2026

Claude Code 2.1.239 adds residency cost premium, fullscreen renderer

Claude Code 2.1.239 ships 59 CLI changes, including cost estimates that now include a 1.1× US-only-inference premium for data-residency workspaces and a one-time fullscreen renderer offer on Bedrock, Vertex, Foundry. Also adds /claude-api upgrade to migrate Python projects from anthropic 0.x to 1.x.

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