How does Bitrock handle .so dependencies (even Qt itself) in different distributions?
The (only?) positive thing about Windows is that binary compatibility between OS versions is an explicit goal. While I still was a Windows developer we had no problems moving software (including our kernel drivers) between NT4, W2K and later to XP. Of course I don't claim this is universal, because our packages were pretty self contained. Also, i realize that Vista introduced more significant changes and breakages compared to, say, XP.