I'm one of the people who came here around two weeks ago and I'm fascinated with your determination and passion for the project. It is crazy to think that I was around 13 years old when the development has begun. How the hype bomb affected the speed of the development? What is the state of engine transition? Judging by the engine refactor branch of your github, the job is soon to be done. So... Thrive 0.3.5 when?(or 0.4.0 even, depends on how you call it)
It’s too early to say whether this will speed anything up. While we’re getting a lot of attention, not much is filtering through to the community or development team yet. It won’t help that most of the audience searching for Spore 2 will be unlikely to have extensive game development expertise. But I think this may create a relatively constant stream of interest into the future.
As for the time until the engine switch is complete, you’ll have to ask hhyyrylainen.