Episode 1 Bugs Patched?

I've heard that the Telltale-developed versions of Episode 1 (i.e. all except the iPod version) have bugs, some of which can render the game unwinnable. Have these been patched yet? From what I've heard, Telltale has a fairly bad track record when it comes to patching bugs.

Speaking of which, has anyone found any game-breaking bugs in Episode 2 yet?
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