If you're used to working with Resolume Avenue 3, the transition should be pretty seamless. You're still able to load your compositions made on Resolume Avenue 3. Also the interface is nearly identical, so you'll feel at home right away.
There are a few powerful new features added, and they are described in detail below. If you're eager to see the new features, here's a quick list with links to the big hitters:
A major difference is that Resolume 4 now comes in 2 editions. Avenue is the VJ software you know and love with all these new features. Arena has all the features of Avenue plus features you'd expect from a media server, soft edging, screen warping, DMX input and SMPTE timecode input.