I'm cautiously optimistic about Singular; they've "gone dark" and are implementing it internally, which is kind of disappointing. But for someone (e.g. me) who

I'm cautiously optimistic about Singular; they've "gone dark" and are implementing it internally, which is kind of disappointing. But for someone (e.g. me) who: a) thinks the skill set reuse of React Native is genius (reuse the UI framework/mental model, and purposefully not the widgets), but b) doesn't like Javascript, I think Singular has the best chance at winning my personal mind share. Of course, "doesn't like Javascript" is a minority mindset these days, so in terms of community/etc. I'm sure React Native is going to be very strong. In terms of Flutter/Singular, Flutter trying to play the "write one app for N devices" is interesting...AFAIK, that's something React Native/Singular are explicitly trying to avoid, since historically it's resulted in sub-par UIs on each device. But it would be an interesting coup if material design meant developers (and users) really did want/expect the same exact L&F on both Android and iOS.