What is the latest news/companies on Forward Osmosis as an extremely efficient seawater desalination process?

Latest Forward Osmosis information and membrane innovation is probably the most important issue. Any new efficient membranes created yet? I dont want to hear about ammonia. Ammonia in my water is going to take an extra process to get out to be qualified as suitable drinking water. Its about cost-efficieny, effectiveness, and energy efficieny.