Hi,

after switching from Qt 5.5.0 with Qt Creator 3.4.2 to Qt 5.5.1 with Qt 
Creator 3.5.1 (both MSVC2013 64bit) the graphic animations of the same 
Qt Windows 7 64bit desktop application are running 30% slower.

The animation is drawing in a QWidget via QPainter and QFont.

Is this a graphics card driver setup issue? Should the graphic card 
driver be set up manually in any INI-FIle in Qt 5.5.1? (I never did this).

Anyone know what this problem might be?


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