In 2018.3 we are introducing Prefab workflow improvements, including nested Prefabs, Prefab Variants and Prefab Mode The new Prefab workflows, which are available in Unity 2018.3, allow you to split up Prefabs on a granular level. This gives you greater flexibility, increases your productivity and enables you to work confidently without worrying about making time-consuming errors. The improvements
![Prefab Workflows - Unity](https://cdn-ak-scissors.b.st-hatena.com/image/square/64dc7dc0c4466d8b389c812433ad1b7dab4a3bc3/height=288;version=1;width=512/https%3A%2F%2Funity.com%2Fsites%2Fdefault%2Ffiles%2Fstyles%2Fsocial_media_sharing%2Fpublic%2F2018-11%2FScreenshot%2520at%2520Nov%252020%252011-39-19_0.png%3Fh%3D9591f962%26itok%3DIgarM2MT)