I've been having a problem where mysteriously, Google Analytics wouldn't work with my game, but only when it was minified. As it turns out, with this particular game, my minified c2runtime.js includes a global variable named "ga". Unfortunately, Google Analytics uses "ga", so then i end up with conflicts and analytics stops working. When I run the exported game with the GA debugging extension, it tells me there's already an object named "ga" so errors may occur.
This seems mostly hopeless, but is there any way to control what globals are used when the code is minified? And I realize I'm an edge case, but it would be nice if in the future construct could avoid colliding with popular code libraries when minifying.