: The water automatically adjusts the landscape terrain.

For further implementation details, you can refer to the Epic Games Developer Documentation . Unreal Engine 4.26 released!

4.26 introduced a powerful new designed to render oceans, lakes, and rivers with realistic physics and rendering, simplifying what used to be a complex, bespoke shader workflow.

⚠️ Most 4.26 exclusive features were either overhauled (Water, Volumetrics) or replaced (MRG → Movie Render Queue v2). Stick to 4.26 if you need stable Chaos + Water + MRG without Lumen/Nanite overhead.

The version selection dropdown on the current documentation site includes 4.27, 5.0, 5.1, 5.2, and 5.3, but 4.26 is conspicuously absent. This creates significant challenges for developers maintaining projects on this version.

High-quality settings require massive GPU overhead because of the step count.

Features built-in underwater effects, including post-processing for visibility, caustic effects, and fluid-like distortion.