REALLY Slow Replication Even When Playing Locally 4.25

To fix lag and rollbakcs in editor you need set the valors in SourceCode\You Engine Version\Engine\Config\BaseEngine.ini

[/Script/OnlineSubsystemSteam.SteamNetDriver]
  NetConnectionClassName="OnlineSubsystemSteam.SteamNetConnection"
  MaxClientRate=100000
  MaxInternetClientRate=100000
  
  [/Script/OnlineSubsystemUtils.IpNetDriver]
  MaxClientRate=100000
  MaxInternetClientRate=100000
  
  [/Script/Engine.Player]
  ConfiguredInternetSpeed=50000
  ConfiguredLanSpeed=50000