The link is broken, and post is from 2015. I joined in 2017.
This is ongoing issue. Now and then, after update, viewports are not working.
I use two monitors, 27" each.
Would be nice if AD makes multiple windows, like many programs does, so O can have 3D in my right monitor and two sideviews in the right one. As monitors are nowadays long, it would be useful to split right screen verticaly.
After last update from yesterday, viewports lines are frozen, and I can't turn multiple viewports back to single one. I work in one, others are not responding.