So I'm playing a bit with Vintage, and while it looks solid at a first glance, a major issue is that I can't leave Visual Mode with the Escape key. I (obviously) need to use the mouse for returning into command mode - rather unintuitive IMO.
v is for several things in different circumstances, and one of them is exiting visual mode.
I'm not saying escape shouldn't exit visual mode, I'm just saying there's already a way to do so. As mentioned in the initial post, there are plenty of things Vintage doesn't do yet.