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yourteamate:The reason for the big download is cause this update (1.1.0.1) is the same as 1.1.0, except that the bugs are fixed. It would make sense that the this update's download file size is close to the original one (1.1.0). If you had anything you want to keep in 1.1.0 like scripts, mods..., then just back up what you want then delete 1.1.0 and replace it with this new update then add your scripts, mods, etc :)