Unless 1.6 works differently with flex at runtime, there seems to be a problem. I am setting a scrollview's flex to 'WH' in code. What worked in 1.5, does not work now. I had to set the frame explicitly. I tried a few things to get flex working, but it did not work.
Setting the flex attribute of a top-level view (i.e. one that you call present() on) doesn't have any effect, and it never had. The size of a view that is presented in 'sheet' style used to be fixed in 1.5 (regardless of what you set as flex, it would be something around 540x500), and in 1.6, it reflects the size of the view's frame/bounds.
I'm aware that this may require minor code changes in some cases, but I don't see any way around that, without giving up the flexibility of having differently-sized sheets, which I find very useful.
I cannot see a place to change the console font. Not sure if I can't find it or you have not got around to it yet.
Didn't get to that yet. If you want a bigger font, you can use console.set_font for now: