We had a preview of the soon to be released update for Reason v10.1 which adds custom user sample for Europa for both oscillator sources as wavetables or regular samples or as a source for the spectral filter, adding more synthesis capabilities,.
There's also some new Player support for the rack extensions, which allows you to modify MIDI inputs for complex note manipulations. You can also stack these up for some really fancy processing.
Artist, Producer, Remixer and Performer
Deep look at the new generation interface
Desktop polyphonic MIDI and CV/Gate