A good example of a change is the addition of . I rarely if ever use int or short anymore, its now all uint16_t or int64_t. I know what I'm getting and I know their limits. I can use them without tons of asserts to std::numeric_limits. Apart from little-big endian issues, which only really crops up when serializing data, they are portable.
And your code is thus non-portable to a platform with a different native word size. Cuts both ways.
Is this of any practical relevance? Do you know of any platforms where those types are not available? Any platform that matters? I mean, maybe there is a washing machine somewhere that won't be able to run my game, but I can live with that.