To my knowledge only2 batches have been released since 2012. There have been rumblings of 375ml bottles coming back soon. But, that's all speculation until SH puts out a post.
He posted via twitter the first week of December a picture of the Ann bottle (375) and glass full of it. "Tasting nice. A few more months..." https://twitter.com/HillFarmstead/status/673280339670925312