It's a new option in 'Sharing' options. You can also right-click on the file in the library and choose 'Stop Sharing'. Those errors may also go away if you do a clean compile. It may be some old constants that weren't refreshed.

Those particular items not updating with theme changes are long-standing bugs. Not high on the list of things to be fixed, but they will be fixed at some point.

We haven't done anything in particular to get rid of the java.lang.Errors. We're going to have to, most likely, prior to releasing.