After a few weeks in preview, Epic Games has officially launched Unreal Engine 5.8 in time for this year's Unreal Fest Chicago . The update introduces advanced worldbuilding and terrain creation tools, high-quality real-time vegetation authoring, and a Lumen Lite mode to deliver 60 FPS on Nintendo Switch 2 for the final major release powering several PC, PlayStation 5 and Xbox Series X|S games, as Epic is ramping up work on Unreal Engine 6 .

The biggest new addition of Unreal Engine 5.8 is Mesh Terrains , an experimental 3D-mesh-based system for creating larger, more complex terrains. As opposed to existing tools like Landscape, this is a true 3D mesh model that enables users to "create arbitrary shapes such as overhangs, floating islands, and tunnels."

This system is also fully interoperable with the engine's Procedural Content Generation (PCG) framework, which allows developers to make manual edits over procedurally generated content without breaking the underlying proceduralism, essentially allowing the user to direct the system's result. With new support for more complex attribute types, it is possible to generate complex elements such as buildings, city streets, and more.

Procedural generation isn't limited to creating worlds, as Unreal Engine 5.8 also brings a dedicated Procedural Vegetation Editor to enable the creation of high-quality, Nanite -ready vegetation assets entirely from scratch.

Besides introducing the new advanced worldbuilding tools, streamlined character and animation workflows, accelerated virtual production pipelines, and MetaHuman Collections —an experimental new asset type that enables you to populate your real-time world with crowds of characters via the MetaHuman Crowd plugin— Unreal Engine 5.8 brings MegaLights to production-ready stage, allowing users to place a huge number of dynamic and shadowed area lights with vastly reduced noise. MegaLights now also delivers improved performance, targeting a smooth 60 FPS on current-generation consoles like the PlayStation 5 and Xbox Series X|S .

Lumen Lite is another major addition of Unreal Engine 5.8 , "designed to preserve much of the visual impact at a significantly lower GPU cost by using irradiance fields with probe occlusion." Operating at twice the speed of Lumen High Quality, Lumen Lite will enable games that rely on heavy global illumination to run flawlessly on the Nintendo Switch 2 at 60 FPS .

Needless to say, Lumen Lite is a huge addition for all future games powered by the engine on Nintendo Switch 2 , directly addressing what is currently the biggest graphical downgrade of all modern handheld ports, including Epic's own Fortnite .

The features highlighted above are only some of the major additions packaged into Unreal Engine 5.8 . The full list of new technical features, optimization fixes, and workflow improvements can be found on the Official Unreal Engine Website .

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