Premier Date: February 26, 2011
Website: http://www.macrossf.com/
As the hardcore Macross fans are already aware of from the tease trailer featured in the end of the Macross F 1st Movie, there were a second Macross F movie in the making. On the 15th of August, 2010, Bandai gave an official date that is posted above via their twitter account.
ANN has done an article as it reads in the following:
The official Twitter account of Bandai Namco's Bandai Collectors division has confirmed on Sunday that the second Macross Frontier film, Macross Frontier ~Sayonara no Tsubasa~, will open in Japan on February 26, 2011. The announcement was made at Girasama Carnival, the summer Macross Frontier event which ran at the Pacifico Yokohama on Sunday.
Feel free to add to the information as they come out and I'll update the opening post accordingly.