A ScrollView with scroll bar is capable to scroll to non-integer coordinates. That's for vertical and horizontal scrolling. One unpleasant effect of taht is that contained image items are rendered blurred.

This can be observed in Qt Creator 3.0's Welcome screen. Note in the animated screenshot, that while the horizonatal lines in the image blur when scrolling vertically, but the text is only rendered to integer positions. That cases an additional wiggeling of the text in the image.

It would be great if taht effect could be avoided by the application developer. No matter where and how, but imho a property in ScrollView would help. (Didn't we fix something similar about 1.5 Years ago, in some obscure branch of Qt?)