There's really no scheduled for the unstable/rawbuilds. It's usually every time I hit a minor landmark in the development. As for the stable ones, I guess it's the same way. But it's whenever I reach a much larger landmark in the development cycle, and polish it up well enough to be considered stable.
But the next stable build is almost ready. I'm down to only a few small things before it's released, so it may be out as early as this weekend. One of the last things on the list to do may also fix your problem, because currently when an object is created it causes a huge spike in memory usage, you probably don't have enough ram allocated to handle it.
Doesn't matter if there isn't was only wondering so all is good!
And almost ready? Yay!
Also, Here's a detailed way of what happens,
After getting enough stone and wood and it is been put into the village center, Everything is fine, Other than a lag spike each time it upgrades. (you have told me why that happens and that is totally understandable) Other than that there was no other problems that i can remember, So pretty much all is okay, so far.
After then having it fully upgraded, it somehow turns all my builders back into normal people that do nothing... I got confused for a moment, Then i try and add them again, As soon as i click the "+" it crashes, I've tried this a lot times, same outcome. So i thought, Maybe it still thinks there is 30(forgot the number) builders left. So i tried the "-" and yet nothing happens still.
Hope that helps.