v4.23.0

Name: fastmcp
Author: punkpeye

punkpeye/fastmcpv4.23.0Oct 17, 2026by github-actions[bot]

Upgrading?

What changed from v4.22.13 → v4.23.0?What's new in v4.23.1 after v4.23.0?

AI Summary

This release introduces the ability to serialize simple object path parameters in the OpenAPI module, improving API definition handling.

Key Highlights

Serializes simple object path parameters in OpenAPI
Addresses issue #433

New Features

Serialize simple object path parameters

Full Release Notes

# [4.23.0](https://github.com/punkpeye/fastmcp/compare/v4.22.13...v4.23.0) (2026-10-17)


### Features

* **openapi:** serialize simple object path parameters ([#433](https://github.com/punkpeye/fastmcp/issues/433)) ([6bc2350](https://github.com/punkpeye/fastmcp/commit/6bc23501e25a17c0d2b799390661cb946e82c37d))

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