The current version of the Sub 37 editor is still 1.0.0. I guess 2016-12-01 was when that entry was added to the download tab. For quite a while there was no mention of the editor on the Sub 37 product page at all.
P.S. According to the forum index
the forum to use for the Sub 37 is The Sub Forum
, so you might get more/better replies to Sub 37 related questions when posting over there.