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.
I submitted a bug for this: http://fogbugz.unity3d.com/default.asp?1308659_i3fctt3o79lht1bs
Yes, the same problem with 2019.4.8, macOS 10.15.6, Mac Mini with Intel UHD 630 :( I think that last version that worked for me was 2019.4.6....
Open ProjectSettings/ProjectSettings.asset with text editor, find metalEditorSupport and set to 1. metalEditorSupport: 1