QClipboard different behavior on application exit for Windows and Mac

I am seeing a difference in the way clipboard is handled on different platforms (Win and Mac). In my application i set my own mime type and some data corresponding to that.
WIN : On application exit the data in my mime type is changed.
MAC : On application exit the data is preserved ,meaning there is no change.
I want to know why there is a difference on how system clipboard is managed for different platforms?
Any help is appreciated

You'll need to ask the designers of the respective platforms why they chose a certain behavior.

Some platforms save content of clipboards, some discard it, some discard it but run helper applications that save it, etc.

Cheers,
_

And who that might be?How can i get to contact them?

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Originally Posted by Divy

And who that might be?How can i get to contact them?

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For Windows that would be Microsoft, for Unix that might be the authors of X11. For Mac that would be Apple.