The thing is, the 1.3 gate was ready to start having release candidates.
The ArmA gate has hit beta stage, and since the last beta has had so many changes that it is essentially a new project.
There is a difference between these:
"Hey guys, we've not heard anything for a while. Are you any closer to a release?"
"Excuse me, dear fellows, but might I enquire as to whether you have made any more progress on your work?"
"Anything new?"
"ZOMG I WNAT TEH GAETS NOW!!!111oneoneone"
We will continue to notify you of developments as they happen, as we did with the OFP gates, but do not expect news with a uniform freuency. It's not going to happen.