Blightfall is now updated to version 2.1.3! (The server pack is also available. To update a server, download the new server, delete the "world" folder from it, and paste the "world" folder from your old server into the new server.)
Blightfall was updated to version 2.1.1 4 years ago
If you're having trouble getting started and prefer to have text tutorials, check out http://wiki.technicpack.net/Your_First_Day(Blightfall) ! I'm gonna try and put some useful stuff on the wiki. Any suggestions? Reply to this comment!
It seems as though the recent update broke it for some, but not all people. If you are one of the people affected, please go here: http://bit.ly/17DCDEm and follow the instructions. I'll provide tech support ASAP!