Unsolved Qt 5.6 high DPI Win support
On the official Qt 5.6 features list it is mentioned:
Improved cross-platform high-dpi support.
Any details on this matter? Are independent pixels introduced into qt so that we can easily design just one layout in designer without the need to edit sizes on runtime from inside the code?
If you want more details about the internals around the high-dpi implementation, you should rather bring this question on the interest mailing list. You'll find there Qt's developers/maintainers (this forum is more user oriented).