What’s New for Game Developers in NVIDIA RTX: DLSS 4.5 for UE5 and Multilingual AI Characters | NVIDIA Technical Blog

This post introduces multilingual models (Qwen 3.5 4B, Riva Parakeet TDT 600M ASR, Chatterbox Multilingual 500M) and the NVIDIA In-Game Inferencing (NVIGI) SDK 1.6 update, enabling multilingual, autonomous game characters. It also details the DLSS 4.5 Unreal Engine plugin with Dynamic Multi Frame Generation, a 6x mode, and the second-generation transformer for Super Resolution. Updates to the NVIDIA RTX Branch of Unreal Engine (NvRTX) 5.7.4 are also covered, focusing on stability and compatibility improvements.