Late bug fixes.
Problem!
After starting the game using the preview, the editor freezes!
The editor stops as if there is an invisible window that blocks the action!
Please report any issues following all the guidelines here, otherwise it's impossible to help, or even evaluate the seriousness of the issue: https://github.com/Scirra/Construct-3-bugs
Without a bug report following all the guidelines, we have to assume there is no evidence of a problem and so we will proceed with a stable release.