The main benefit of this long awaited update is that the creators of XenForo felt it should be simplified / made easier to customise.
The V2.0 beta is finally out
We have been waiting for this moment and I think in 2017 we will start the long process of replicating our most vital VBULLETIN customisations (we have a lot of them) in XF 2.0 format as part of our future platform migration from VB 3.8 to XenForo.
Meanwhile the XF add on community will be busying itself with updating existing XF plug ins to work with XF 2.0
Interesting times IMHO.