A new Unreal Engine 5 feature pushed to the engine’s main development branch last week could pave the way for significant Lumen performance improvements across the board and for the lighting technology to be implemented in Nintendo Switch 2 games. As reported by tech artist Dylan Browne on X, Lumen Irradiance Cache, a probe-based Lumen mode for lower-end devices, is now available in the Epic engine. Compared to the default Hardware Lumen, the new mode features less occlusion detail and worse reflections, but it’s still a good compromise compared to having no Lumen at all, judging from the comparison video […]
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