There was never a point in time when we were told February. In January we were told about 8 weeks for new content, though not exactly what the content would be. That 8 weeks would have ended March 7th, if I remember correctly, and we received new content the week before.
CDOG-Windborn said not to believe anyone who is not staff. The people saying late march/early april are getting those estimates from the chats with staff. Here's the one of the Staff Q&A compilations: http://www.glitch.com/forum/general/17386/