Found this on introversions twitter:

"Quick fix for broken defcon tutorial : set your system date to jan 4. Working on a proper fix!"

couldnt the devolopers just change this one line of code and rerelese it? it tells us the line number, cant they, or someone else just change that one line? Not necessarily. It is a line of code but it contains variables so it is very possible that something managed to get corrupted. My assumption ...