Unreal Engine 4.26 Documentation ((install))

: Specifics on level design, the details panel, and using static meshes. Designing Visuals & Rendering

Always use the version selector. If you Google "Unreal Engine water system," you will likely land on the 5.0 or 5.1 docs. The 4.26 system is different (and lacks the advanced River Splines). Explicitly search for site:docs.unrealengine.com/4.26 Water System to ensure you are reading the correct version. unreal engine 4.26 documentation

While Chaos became the mandatory default in UE5, 4.26 advanced the Chaos Physics engine to support high-performance destruction, ragdolls, and vehicle physics as a fully viable alternative to legacy PhysX. Asset Localization and Pipeline : Specifics on level design, the details panel,

Includes documentation on shallow-water fluid simulations for realistic ripples, wakes, and wave interactions. Virtual Production and Media and Environmental Lighting

Details the setup for Niagara-driven hair physics, allowing strands to react realistically to wind and skeletal movement. Sky, Clouds, and Environmental Lighting