Unity 2017.3 Crashes When Moving Packages To Plugins

[shanepadgett]

Using the latest 2017.3 build, every time I try to follow the tutorial with the sample project, Unity crashes when moving package folders in the Projeny Project window (Compile Time Optimization Tutorial).

[shanepadgett]

Just to follow up, this also happens on 2017.2.1. This is an image of the error I get.