v4.20.9

punkpeye/fastmcpv4.20.9Sep 9, 2026by github-actions[bot]

AI Summary

This release focuses on bug fixes to improve stability in authentication, edge session handling, and resource management. It ensures DCR clients are properly persisted and session initialization is robust.

Key Highlights

Fixed authentication by persisting DCR clients before caching.
Corrected edge session initialization by rolling back on failure.
Normalized embedded() results to match the resources/read pattern.

Full Release Notes

## [4.20.9](https://github.com/punkpeye/fastmcp/compare/v4.20.8...v4.20.9) (2026-09-09)


### Bug Fixes

* **auth:** persist DCR clients before caching ([3868c17](https://github.com/punkpeye/fastmcp/commit/3868c17fdc8ddc6a795b3acb1cfcf2b3df94cfef))
* **edge:** roll back failed session initialization ([5a418db](https://github.com/punkpeye/fastmcp/commit/5a418db431052bebcf9f909b1a8a5cf9d37705df))
* **resources:** normalize embedded() results like resources/read ([6dc89bb](https://github.com/punkpeye/fastmcp/commit/6dc89bb814c2d6ff8ae0049e3e32eb483c63d9c7))