Double check to make sure your Screen Properties haven't gotten messed up. View, and then Screen Properties. If you just use the default colors in Control Nesting, choose the Defaults button in the bottom left. If you use custom colors, set Outline Color to 200 for all three. Click OK, close Control Nesting, then open it back up. Renest and see if that gets it.
Control Nesting update just released that should correct the issue https://www.thermwood.com/updates_contr ... g_home.htm. This was the only fix for this version so we could get it out without having to do a whole bunch of testing and delay release.