yes, I posted it in chaosgroup forum too. Now just afraid of changing SU viewport window will affect on my early created projects with matced photoes (see my previous topic about it).Changing toolbars workspace area changes vray camera? - #2 by DaveR
But now checked changing toolbars and everything is fine. Of course it changes the width but saves matched camera parametres. Maybe SU or ChaosGroup team have fixed something.