Academics are still pushing the limits, but very little seems to get into broad circulation and it doesn't seem the studios or recording technology developers are interested in new innovations either. There is a big community around Max and Pd, csound still gets some love especially now that computers are powerful enough to run csound instruments in real time. IRCAM has a fascinating site with lots of free and Free software to download and play with, and resources for finding all kinds of new electronic music pushing various boundaries.