Claude SDKs stop sending beta headers for Files and Skills clients

UpdateAug 27, 2026VerifiedAdded Sep 22, 2026

Python 1.2.0, TypeScript 0.122.0, Go 1.68.0, Java 2.59.0, Ruby 1.67.0 and C# 12.44.0 make client.beta.files and client.beta.skills match the GA shapes. client.beta.skills.delete() now removes all versions, and BetaSkill is renamed BetaContainerSkill.

Developer tools

Read Anthropic's release notes

https://platform.claude.com/docs/en/release-notes/overview#august-27-2026

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

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