How do you actually get v13 rc1. I get a build error Severity Code Description Project File Line Suppression State
Error NU1102 Unable to find package Umbraco.Cms with version (>= 13.0.0)
- Found 96 version(s) in nuget.org [ Nearest version: 13.0.0-rc1 ] UmbracoProject-v13 C:\data\repos\umbraco\UmbracoProject-v13\UmbracoProject-v13.csproj 1