Sounds like they upgraded directly from a custom fork of 3.2 to 6.0, but if you read the article, they upgraded from 5.2 to 6.0. Not as insane as 3->6, but 3->5

Sounds like they upgraded directly from a custom fork of 3.2 to 6.0, but if you read the article, they upgraded from 5.2 to 6.0. Not as insane as 3->6, but 3->5 is still pretty insane.