v4.16.3

punkpeye/fastmcpv4.16.3Aug 17, 2026by github-actions[bot]

AI Summary

Improves stability by refining routing state handling and optimizing SSE event persistence logic.

Key Highlights

Drop routing state even when persisting a response fails
Only persist standalone-stream events once a client opens one

Full Release Notes

## [4.16.3](https://github.com/punkpeye/fastmcp/compare/v4.16.2...v4.16.3) (2026-08-17)


### Bug Fixes

* **edge:** drop routing state even when persisting a response fails ([628e364](https://github.com/punkpeye/fastmcp/commit/628e364df960c0a1d64af5885580faba7846b98a))
* **edge:** only persist standalone-stream events once a client opens one ([da35c76](https://github.com/punkpeye/fastmcp/commit/da35c76c39078ba23e9ed721baf8aa6ce1655747))