Word from Grifter is SoHoplessly broken will return to DEF CON 25.
I do not have a current description for it. Form last year:
"
2 Track:
Track 0: Zero-Day track: discovery and demo if zero-day exploits
Track 1: CTF-like contest vs 15 off-the-shelf devices.
"
Site: http://sohopelesslybroken.com/