HypersomniacLive: The Wayback Machine capture is from Feb 12, 2016 21:20:19 (i.e. the very next day it was released here), and the Google cache one is from Dec 10, 2016 09:49:27 GMT.
Yeah, I saw the date of the Archive.org one (could've sworn I mentioned it in my last reply, but obviously not) but I didn't see any immediately way to see the timestamp on the Google retrieval.
So, now you know the window: all you have to do is manually search the update thread in a 10-month period between mid-February and a few days ago. :)
HunchBluntley: I was mistaken -- the one linked
in the <i>middle</i> of page 1 was a Google cache retrieval, but I don't know from when. Presumably, much more recently than the Wayback Machine version that plagren linked just a few posts back.
plagren: Yup. GOG's menu bar nicely covers the part that says "It is a snapshot of the page as it appeared on 10 Dec 2016 09:49:27 GMT."
EDIT: Damn, ninja'd by seconds...
I knew I should've looked at the text-only version. XD