Jarquafelmu;
Press the ~/` key (to the left of the '1' key. The ' grave key is the default hotkey to toggle the highlight option opposite the default and back.


Ludvig;
I'll create a bug report for the third issue.

For 2, do you have a save at this point?
If so, please email it (or a Dropbox or Google drive link, etc) to supportdos2@larian.com, with a description (or link to this topic).
Each save is a folder in the '..\Documents\Larian Studios\Divinity Original Sin 2\PlayerProfiles\<ProfileName>\Savegames' folder. In Windows Explorer you can zip file(s) and folder(s) by right clicking on it/them and selecting 'Send To | Compressed (zipped) Folder'.