FishNet Pro: Networking Evolved v4.6.18R Pro (28 Nov 2025) delivers superior performance and a comprehensive set of features for Unity multiplayer development. Built as an advanced HLAPI networking library, FishNet Pro offers enhanced functionality over the free version, including lag compensation for accurate hit detection, network level of detail to reduce bandwidth usage by up to 95%, and network transform extrapolation for smoother movement on unstable connections. It supports automatic removal of server logic from client builds, selective synchronization of animator parameters, and offline gameplay via the Yak transport system. The solution provides full support for Unity LTS versions 2021, 2022, 2023, and Unity 6. Pro features include rigidbody control, real-time physics interactions, zero hotpath allocations, built-in client-side prediction, nested network objects, SyncVar, SyncObject, RPCs, and support for multiple data types. The API is fully documented with clear comments and XML, and includes fast domain reload, addressables integration, scene management, and advanced area of interest and level of detail systems. FishNet Pro is optimized to reduce server costs by over 70% compared to competitors while offering features typically found in premium solutions. It supports multiple platforms including WebGL, WebRTC, Steam, Epic Online Services, Unity Relay, and LAN connections through integrated free plugins.
FishNet Pro: Networking Evolved v4.6.18R Pro (28 Nov 2025)