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v0.69.1

casey/justv0.69.1Jun 1, 2026by fatedier

AI Summary

Patch release ensuring UDP payload framing consistency with wire protocol v2 and improved SUDP compatibility during mixed deployments.

Key Highlights

  • UDP payload framing consistency with wire protocol v2
  • Improved SUDP compatibility during mixed protocol deployments
  • XTCP NatHoleSid messages updated for wire protocol v2

New Features

  • Wire protocol v2 UDP support
  • SUDP mixed protocol compatibility

Full Release Notes

## Features

* `transport.wireProtocol = "v2"` now also applies to UDP-based proxy payloads, including ordinary UDP and SUDP, so their payload framing is consistent with the selected wire protocol.
* Improved SUDP compatibility during mixed `transport.wireProtocol` deployments, allowing frps to bridge payloads between v1/default and v2 SUDP clients.
* XTCP work connection `NatHoleSid` messages now follow the selected `transport.wireProtocol`.

## Compatibility Notes

* When enabling `transport.wireProtocol = "v2"` for SUDP, upgrade both the proxy and visitor frpc instances first, or keep them on `v1` until both sides are upgraded.