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Anthropic rolled out incremental SDK updates in May 2026 across Python and TypeScript clients, signaling steady maintenance of developer tooling. The Python SDK saw two releases: v0.98.0 introduced Managed Agents API improvements, broader authentication options (Workload Identity Federation, interactive OAuth, auth profiles), environment-variable header support, and several streaming and multipart upload fixes; v0.98.1 followed as a minor documentation/example typo fix. Separately, the TypeScript SDK published v0.95.2, a routine patch. Together these updates emphasize reliability, cloud-native authentication, and smoother multi-region and streaming integrations for teams building on Anthropic’s APIs.
Anthropic’s official Python SDK (anthropic-sdk-python) released v0.102.0 on May 13, 2026, adding BetaManagedAgentsSearchResultBlock types and beta support for cache diagnostics, plus an internal change to eagerly validate pydantic iterators. The update is recorded in a verified GitHub commit (9aa85c8) and continues iterative API spec updates and maintenance chores. These changes matter to developers and organizations integrating Anthropic models and managed agents because the new types and diagnostics improve agent search capabilities and troubleshooting for caching behavior, while stricter iterator validation can catch data issues earlier in deployments. The release signals ongoing SDK maturation and better developer ergonomics for building on Anthropic’s platform.
Anthropic released version v0.98.1 of its anthropic-sdk-python on May 4, 2026, a minor maintenance update that fixes a typo in an example. The changelog entry for 0.98.1 points to a small commit (de8ba13) and lists the update as a chore rather than a feature or security patch. While low-impact, such incremental fixes keep an SDK's documentation and examples accurate for developers integrating Anthropic models. For teams depending on the Python SDK, the patch signals ongoing maintenance of the developer tooling around Anthropic’s APIs and contributes to overall developer experience and reliability.
Anthropic released version v0.98.0 of its anthropic-sdk-python on May 4, 2026, adding Managed Agents API improvements and expanded authentication options including Workload Identity Federation, interactive OAuth, and auth profiles. The update also added support for setting headers via environment variables. Bug fixes address streaming stop_details propagation, correct multipart file array field names, and async client regional base_url branches for Vertex (us/eu). The release includes minor internal chores like pyproject.toml reformatting. These changes matter to developers integrating Anthropic models and managed agents into cloud-native and multi-region workflows, simplifying secure authentication and improving streaming and file upload reliability across deployments.
Anthropic released version 0.95.2 of its TypeScript SDK (anthropic-sdk-typescript) on May 11, 2026, published by the stainless-app account. The brief release note lists the tag sdk-v0.95.2 and links the changelog for changes since v0.95.1, indicating a routine patch/update to the SDK. This matters to developers and teams integrating Anthropic models because SDK updates can include bug fixes, API adjustments, or improvements that affect client code, type safety, or compatibility. Users should review the changelog and upgrade notes before updating production deployments to avoid breaking changes and to take advantage of any fixes or new features.