React is not a framework...
Yes, the future will be web components, which would mean Polymer / x-tag until the spec is in all modern browsers. React will die when web components don't need polyfills.
Yes, the future will be web components, which would mean Polymer / x-tag until the spec is in all modern browsers. React will die when web components don't need polyfills.
For anything larger than a simple widget, I highly doubt you will see a move to use native web components for a long time. There are application architecture issues they have not even begun to tackle.