Comment 5 for bug 723696

I can not confirm that behaviour on Windows.
Minimum window size is 900x675. But even with monitor resolution of 800x600 most functions are still accessible.

* the Assistant tab, Camera and lens tab, crop tab and mask tab are ok. All buttons and controls are visible and can be reached. Optimizer, exposure and stitcher tab are okay (with scrolling).
* in the Images tab only celeste and cpclean buttons can not be accessed (but become accessible with full screen mode).
* fast preview window: only roll angle and apply button are not accessible.

So this seems to be mainly a linux problem, where a lot of space is wasted, because on window .