There have been changes for 2020.1 for the Package Manager. See this thread:
You’ll have to go to the Package Manager and click the + sign to “Add package from git URL” and type:
com.unity.vectorgraphics
There have been changes for 2020.1 for the Package Manager. See this thread:
You’ll have to go to the Package Manager and click the + sign to “Add package from git URL” and type:
com.unity.vectorgraphics