Packed with almost 80 improvements that have been added numerous contributors from all over the world during three months, Unreal Engine 4.15 is adding a lot of exciting new features, starting with support for the Nintendo Switch gaming console and continuing with faster C++ compile times, reduced by 50 percent. Among other new features that have been implemented in Unreal Engine 4.15, we can mention the addition of extra film-like color and tone response to the tonemapper, various improvements to texture streaming to consume fewer resources, along with the ability for developers to package blueprints into native C++ code.