It was tested for a week about a year ago on the expanded/merged Port Novorossiysk map and it was a lot of fun, but I have not heard anything about it since? I would love for it to come back!
I really enjoyed it, it was a great concpet that made a mostly unfun map, fun to play on. It did have some balance issues, but those could be fixed.
It was nice playing somethig different for once, and I hope somethig similar is done in the future.