Minor nuance, the radio button itself seems to work. My guess is what's happening is they're only initializing the UI state when you first interact with it, whi

Minor nuance, the radio button itself seems to work. My guess is what's happening is they're only initializing the UI state when you first interact with it, which blows away the radio button state. Normally radio buttons can't start fully uninitialized like that, so I assume that's the real bug.