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OpenAI Agents SDK 0.20.0

UpdateUnverifiedAdded Sep 24, 2026

Key Changes Version 0.20.0 is a minor release because it changes the implicit default model and includes a potentially breaking MCP dependency migration for applications with customized local HTTP transports. MCP v1 remains supported, and affected applications can migrate to httpx2 or pin mcp<2 .

Topics: AI agents, LLMs, MCP, Streaming, Developer tools

OpenAI's release notes

More OpenAI Agents SDK releases

Every OpenAI Agents SDK release
DateRelease
Aug 15OpenAI Agents SDK 0.21.0unverified
Update
Aug 16OpenAI Agents SDK 0.21.1unverified
Update
Aug 5OpenAI Agents SDK 0.19.4unverified
Update
Aug 4OpenAI Agents SDK 0.19.3unverified
Update
Aug 19OpenAI Agents SDK 0.22.0unverified
Update
Aug 1OpenAI Agents SDK 0.19.2unverified
Update
Sep 8OpenAI Agents SDK 0.22.1unverified
Update
Sep 9OpenAI Agents SDK 0.22.2unverified
Update

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Sources: each vendor's own release notes, changelogs and GitHub releases, read daily to monthly by how often it posts. Logos via logo.dev; trademarks belong to their owners.

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