Vulkan Validation Layers Engine/Source/ThirdParty/Vulkan An optional component that provides validation of our usage of Vulkan graphics API, which enables us or customers of UE to catch issues with using Vulkan API. This particular release is used for Android. https://github.com/KhronosGroup/Vulkan-ValidationLayers/blob/main/LICENSE.txt Licencees P4 Git /Engine/Source/ThirdParty/Licenses