With June's delays accounted for, the Spring 2016 release date still seems possible, but the demo releases are thrown out of whack. There is only time for one public demo before BronyCon 2015 and features once intended for the convention will not be available until a number of weeks after.
You can find a modified version of the BGP demo release schedule on the development blog.
Updated BGP Demo Release Schedule
Posted by TonyYotes on