RPCN v1.4.2 is released. RPCN is a server that implements multiplayer functionality for RPCS3. It implements rooms which permit matchmaking, scoreboards, title user storage(ie cloud saves), etc. All the settings and their descriptions are in rpcn.cfg.

RPCN Changelog:
Fixed
Fixed Notification to target of RequestSignalingInfos sending the wrong IP information
CookiePLMonster: Fixed scoreboard ordering for Super Hang-On
Misc
Updated dependencies

Download: RPCN v1.4.2
Source: Here