http-v3.13.1

fosrl/pangolinhttp-v3.13.1Jun 22, 2026by JohnTitor

AI Summary

A patch release fixing an issue with HTTP/1 WebSocket upgrade responses where the connection header was being overwritten incorrectly during the upgrade process.

Key Highlights

Fix HTTP/1 WebSocket upgrade responses being overwritten with Connection: close

Full Release Notes

## 3.13.1

- Fix HTTP/1 WebSocket upgrade responses being overwritten with `Connection: close` when the upgraded request payload remains open. [#4115]

[#4115]: https://github.com/actix/actix-web/issues/4115