v4.22.4
biomejs/biomev4.22.4Oct 4, 2026by github-actions[bot]
Upgrading?
AI Summary
fastmcp v4.22.4 is a patch release that fixes OpenAPI query parameter handling to correctly respect the `allowReserved` flag.
Key Highlights
- Fix for OpenAPI query parameter serialization
New Features
- Honor `allowReserved` in OpenAPI query parameters
Full Release Notes
## [4.22.4](https://github.com/punkpeye/fastmcp/compare/v4.22.3...v4.22.4) (2026-10-04) ### Bug Fixes * honor allowReserved in OpenAPI query parameters ([#417](https://github.com/punkpeye/fastmcp/issues/417)) ([3077844](https://github.com/punkpeye/fastmcp/commit/307784478afef681cb574459799ab7255b61c45b))
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