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v0.69.1

Billionmail/BillionMailv0.69.1Jun 1, 2026by fatedier

AI Summary

This release updates the wire protocol to apply consistently across UDP-based proxies and XTCP connections. It improves SUDP compatibility for mixed deployments and ensures NatHoleSid messages follow the selected protocol version.

Key Highlights

  • `transport.wireProtocol = "v2"` now applies to UDP-based proxy payloads
  • Improved SUDP compatibility during mixed v1 and v2 deployments
  • XTCP work connection NatHoleSid messages now follow the selected wire protocol

Breaking Changes

  • 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.

New Features

  • UDP payload framing consistency
  • SUDP bridging capabilities between protocol versions
  • XTCP NatHoleSid protocol alignment

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.