Nothing from the Qt Company itself, but there are some community initiatives around what you're mentioning. This recent mailing list thread mentions a few of them, especially quickflux by community contributor Ben Lau. However, nothing like what you're asking for, QML is clearly not moving in this direction.
- http://lists.qt-project.org/pipermail/development/2016-March...
- https://github.com/benlau/quickflux/
Now, regarding what's actually being done by Qt Company on the UI side, there are the new qtquick controls (currently namespaced to 'labs' as it's still a work in progress), see https://www.youtube.com/watch?v=FqjabvHSiZk and http://blog.qt.io/blog/2015/11/23/qt-quick-controls-re-engin...