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v0.69.1

parruda/swarmv0.69.1Jun 1, 2026by fatedier

AI Summary

frp v0.69.1 updates the wire protocol to v2 for UDP and SUDP payloads, improving consistency and compatibility during mixed deployments.

Key Highlights

  • Wire protocol v2 applied to UDP-based proxy payloads
  • Improved SUDP compatibility during mixed protocol deployments
  • XTCP NatHoleSid messages updated to wire protocol v2

Breaking Changes

  • Upgrading to transport.wireProtocol = 'v2' for SUDP requires upgrading both proxy and visitor frpc instances

New Features

  • Wire protocol v2 for UDP
  • Improved SUDP compatibility
  • XTCP NatHoleSid messages update

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.