> New techniques are often behind proprietary gates, with shallow papers and slides that only give a hint of how things may work. I've been able to implement t

> New techniques are often behind proprietary gates, with shallow papers and slides that only give a hint of how things may work. I've been able to implement techniques based on such things without too much trouble. Also, Unreal is source available, although I haven't used its source to learn, and haven't checked the license for risks with doing so.