Stay up to date with the latest Claude SDK updates, new features, and improvements. Here's what changed in 2026.
The platform now exposes the Claude 4 model family including Opus
6), and Haiku
New and beta capabilities include Claude Managed Agents with stateful sessions and persistent event history, Fast mode (beta research preview), adaptive thinking effort and task budgets (beta), an Advisor tool, programmatic tool calling, fine
grained tool streaming, context editing and compaction, a dedicated Claude API skill, remote MCP servers with an MCP connector, Microsoft Foundry as a new enterprise deployment target alongside AWS Bedrock and Google Cloud Vertex AI, and expanded Skills support (Overview, Quickstart, Best practices, Skills for enterprise, Skills in the API).
Claude SDK is actively developing new features. Check back regularly or follow their official channels for the latest updates.
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Changelog last updated March 2026