There's a fair amount of information scattered around about how parts of our GUI toolkit work, but there may be a blog post or two about that in the future. In

There's a fair amount of information scattered around about how parts of our GUI toolkit work, but there may be a blog post or two about that in the future. In general though it's not a particularly novel design on the toolkit end - the basics are all pretty similar to others. We just tend to put a lot of effort into making things work well and work fast.