The version I’ve always heard isn’t that the expansion pack “randomly fixed it”, but rather that the issue was a memory leak that would cause the game to run out of RAM and crash after a couple hours. The extra memory of the expansion pack would just delay the crash for an additional 6-7 hours. I’m curious how true this is actually is now, as it seems like it would be easy enough to test.
This post makes me want grilled cheese, but I don’t have any bread right now and all the stores are closed because Thanksgiving.