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v4.20.0

puckeditor/puckv4.20.0Sep 4, 2026by github-actions[bot]

AI Summary

Connects OpenAPI output schema and structured content with specific serialization styles for query and body parameters.

Key Highlights

  • OpenAPI serialization styles wired for outputSchema and structuredContent
  • Query and body serialization styles integration

New Features

  • OpenAPI serialization styles wired for outputSchema and structuredContent

Full Release Notes

# [4.20.0](https://github.com/punkpeye/fastmcp/compare/v4.19.1...v4.20.0) (2026-09-04)


### Features

* **openapi:** wire outputSchema/structuredContent and query/body serialization styles ([#351](https://github.com/punkpeye/fastmcp/issues/351)) ([10b08f7](https://github.com/punkpeye/fastmcp/commit/10b08f7c6975ace9fcff1c24c5db815cc2f7565e))