So this one became the newest official one instead of below 4? 
https://bitcointalk.org/index.php?topic=801489.0
https://bitcointalk.org/index.php?topic=971382.0
https://bitcointalk.org/index.php?topic=507215.0
https://bitcointalk.org/index.php?topic=516058.0
https://bitcointalk.org/index.php?topic=801489.0
https://bitcointalk.org/index.php?topic=971382.0
https://bitcointalk.org/index.php?topic=507215.0
https://bitcointalk.org/index.php?topic=516058.0
Check roadmap, and you will understand!