We're so back. (Animation works again, and most features from the Qt version are back.)
I cannot, for the life of me, figure out how Slint decides where to put things. No matter what I try, there's something hanging out of their container or a color that's nearly invisible or behaves weird or boxes that are all different sizes. And, the standard components were designed with mobile in mind...they don't have most of the regular desktop stuff I would expect, and what they do have behaves weird.