Earlier quoted context omitted.
Speaking of, the GitGutter plugin I use just broke on this update. https://github.com/jisaacks/GitGutter Doesn't even appear in the installable list now. Hopefully he'll get some of these hickups with package manager sorted.
Weird, it was the first thing I installed after installing 3.0 as a new install. Wonder if it's an update issue in particular.
This update appears to have broken a lot of plugins.