It's a good addition to the UI World with lot of advantages, but... - It's not revolutionary just different (with pros/cons) - Lot of 3rd party libraries are

It's a good addition to the UI World with lot of advantages, but... - It's not revolutionary just different (with pros/cons) - Lot of 3rd party libraries are not available - Google Analytics is by default enabled (which spreads the Google Data claw) Maybe I'm getting old, but for me it's not worth the time learning a new framework when the current market offers a lot of good, well documented and community supported options.