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deepagents==0.5.3

langchain-ai/deepagentsdeepagents==0.5.3Apr 15, 2026by github-actions[bot]

AI Summary

Introduces structured output capabilities for subagents and updates the agent creation function by deprecating the default `model=None` argument.

Key Highlights

  • Add static structured output to subagent response
  • Deprecate model=None in create_deep_agent

New Features

  • Static structured output to subagent response

Full Release Notes

### Features

* Add static structured output to subagent response ([#2437](https://github.com/langchain-ai/deepagents/issues/2437)) ([6e57731](https://github.com/langchain-ai/deepagents/commit/6e57731fc6d908ac1ebe131e782696a4776147e9))
* Deprecate `model=None` in `create_deep_agent` ([#2677](https://github.com/langchain-ai/deepagents/issues/2677)) ([149df41](https://github.com/langchain-ai/deepagents/commit/149df415d17f3cf3b7eb0bd1e78460112bfa9b04))


### Bug Fixes

* Skill loading should default to 1000 lines ([#2721](https://github.com/langchain-ai/deepagents/issues/2721)) ([badc4d3](https://github.com/langchain-ai/deepagents/commit/badc4d3921ae0ede4305f44f85fa7266df9465e7))

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Internal maintainers: @sydney-runkle, @maahir30, @mdrxy