TL;DR: Unreal Engine 5 revolutionized game development with advanced technologies like Lumen and Nanite, but many UE5-powered games in 2025 face performance and optimization issues across platforms.

Unreal Engine 5 performance issues aren't the fault of Epic, but instead down to developers prioritising "top-tier hardware," says CEO of Epic, Tim Sweeney. This misplaced focus ultimately leaves ...

In a nutshell: Unreal Engine powers some of the world's biggest games, but its reputation has taken a hit as several high-profile releases stumble with performance issues. Epic CEO Tim Sweeney argues ...

Epic Games has been showing off its latest Unreal 5.6 game engine. While it's full of technical innovations and new graphical and physics features, the main takeaway is that the latest version of ...