Greetings users!
Welcome to the 2018.3 beta!
This round brings you the long-awaited Improved Prefabs Workflows (inc. Nested Prefabs), and many other goodies - see the ’ Preview of 2018.3 features ’ post for the headlines.
Installers and release notes for 2018.3.0 Beta 1 are available at:
https://unity3d.com/unity/beta/unity2018.3.0b1
Current documentation (note that this is not necessarily updated in sync with the beta releases):
Please remember to back up your projects before opening them in a beta build!