You need to read blog and forum.
https://blogs.unity3d.com/ru/2020/06/24/package-manager-updates-in-unity-2020-1/
Visibility changes for preview packages in 2020.1 ?_ga=2.99023454.1112290768.1595164785-1691868383.1578304221
You need to read blog and forum.
https://blogs.unity3d.com/ru/2020/06/24/package-manager-updates-in-unity-2020-1/
Visibility changes for preview packages in 2020.1 ?_ga=2.99023454.1112290768.1595164785-1691868383.1578304221