From the German forum (translated):-

A new patch - version 18.0.1.80 - is online!

improved program stability

Fix: Additional effects did not work on some systems

Fix: wrong thumbnails for video scenes in storyboard mode or in the scene overview

Fix: display error in the arranger

Fix: Fixed malfunction while using rotation and resizing in the tracker

Improvement: Grip in the video monitor now bigger and sharper

Improvement: Windows 7 compatibility

improved caching behavior for images

Installation via the menu item -> Help -> Update online.