A Unity ID allows you to buy and/or subscribe to Unity products and services, shop in the Asset Store and participate in the Unity community.
Separate names with a comma.
It's a bit frustrating not seeing a login error. First thing is to make sure the credentials are ok.
It still exists on 2019.4. Just disappears after turning off probuilder.
Giant THANKS
IOS 13.4.1 Unity 2019.3.8 XCode11.4 Working stable.
This works, but people might need 2019-2020 features.