Perfect for me, I love finding and fixing issues.
Well mine had a bit of spas out today as well. No keyboard attached this time. No apparent reason why it started, but had MUI IE open, dragged up to open URL bar, fine, clicked in URL bar, cursor starts blinking, fine, keyboard pops up, fine, first letter I type, taskbar pops up, vanishes, side panel opens up and the letter pressed is then in the search bar, not the IE URL bar. Closed app, did this, did that. Nothing I did would allow me to type into the URL bar, just kept having a hissy fit. Restarted the device, problem vanished.
One other thing, that seems more of a system issue, than update issue, is searching. The only place I've so far seen it is in the desktop control panel. If I goto the search box while using the on screen keyboard, after the first letter is typed, such as B for Bluetooth, the focus is instantly removed from the search bar, only searching for B, and I then have to reselect the search bar to actually type the whole word. The second search works exactly as it should, but never the first. As I say, I don't know if this is a general issue or specific to an update.