After the update to Plasma 5.6.95, exist a lost of pixels in the edge of the dropdown elements, like in the Menu, or in the elements of the system tray, like hidden icons or any other element of this tray.

Reproducible: Always

Steps to Reproduce:
1. Link over menu.
2. See the lost of pixels in the edge.

Actual Results:  
You can see the lost pixels in the edge of the dropdown element.

Expected Results:  
No lost pixels.