Unreal Engine 4.26 Documentation -

The most visible additions in 4.26 were the new systems for natural environments, designed to give artists greater control over vast landscapes.

A physically based hair shading model improves the rendering of light-colored hair, such as blond, by accurately evaluating light transmission. Unreal Engine 4.26 released! unreal engine 4.26 documentation

Built-in physics allow characters and vehicles to create realistic ripples, foam, and splashes. The most visible additions in 4