They might be waiting for Waterfront Parkside to get mostly finished sales before launching Eau Claire. I know it's a different developer (or at least I think it is) but perhaps they're just waiting for less competition?
I do believe the first phase is the two medium-sized towers, both of which are condos and one of which is half hotel. They may be trying to sign a major luxury hotel tenant first. It would be awesome to have Ritz or Shangri La in Eau Claire and Fairmont in City Centre. I would

my face off.