For those who have not dug into the thread map
https://forum.juhlin.com/showthread.php?t=773
Here are two links related to alternate versions that can be found there.
Other version related threads
https://forum.juhlin.com/showthread.php?t=773#ver
The products of the DC Working Group (which I will always consider version 1.5)
https://forum.juhlin.com/showthread.php?t=773#t2k_user