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http-v3.13.1

actix/actix-webhttp-v3.13.1Jun 22, 2026by JohnTitor

AI Summary

A bug fix that ensures WebSocket upgrade responses maintain correct headers when the request payload remains open after the upgrade.

Key Highlights

  • Fixes HTTP/1 WebSocket upgrade responses
  • Preserves headers when request payload is open
  • Prevents overwriting 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