Full exchange launch of both version (centralized and decentralized) will be between Q1 and Q3 next year? Why there is no exact date (month or at last exact quarter) ?
Have you ever been a part of any project? Its very tough to give an exact time frame for software. What if there are bugs that they have to fix? What if it takes longer than expect to code certain pieces of the software? You have to prepare for unexpected hurdles.