I would love to have the option to full screen some aspects of Director, particularly the meters page. On a retina screen, the meters channel numbers and names are just barely legible. On a HD screen forget about it - completely blurry. It would be extremely useful to make the meters take up a whole UHD screen.
They need to fix that asap
Found issue its a Windows scaling problem. Mine was on 150% set it to 100% and its usable 
