On the bright side:
Multithreaded scene parsing is really, really fast, which is awesome
Interactive mode is quite stable and relatively fast and responsive even on 12mil poly interior scene which got some proxies like this
http://c2n.me/j5o0kY on top of those 12mil polys, not to say how fast it is on exteriors or simpler scenes
On the notsobright side:
The problem with procedural material containing coronaAo+substance textures which I reported on page 12 (and mantis) got even worse - with latest daily max crashes on that file open (same on max2014 and 2015), maybe if I'll get some spare time I'll try to rebuild that or similar material on current daily and see how it goes
Got some crash changing displacement (screen size) in render setting while interactive renderer was running - yet probably that's not a bug, just some sort of limitation and if so it could probably be wise to lock those settings during the render and maybe even display some kind of warning pop-up about it
DR is still not working as with the earlier post 2014-09-12 dailies but probably you're aware of that already