I have some dozen cuts of the same clip on one track. When I group all the cuts then select the group and apply an effect (Section or Size/Position), one or two of the cut objects are not affected. The skipped cuts can be different on different attempts, and on some attempts it works and the effect is applied to all the grouped objects.
This looks like buggy behaviour, but I should mention that I'm just starting to learn the software and I assume this is the right way to apply the operation.
Version: Magix Movie Edit Pro Premium 19.0.2.58
EDIT:
Thanks for the answers. I'm getting more familiar with this and I think what was confusing me is this behaviour that when the effect is being previewed, there is the one cut with strong yellow colour that is the one clicked on when first selecting the group, and the software does not show the effect of preview on this particular cut but rather shows it in the original movie state while showing the rest of the cuts with the effect applied. This manifests consistently with the 'Section' effect. It could be the case that this is a preview only problem and that the effects get consistently applied to all the cuts at the end.
[I"m not even sure why they show this difference in the yellow colour in group objects, if it's not signifying any difference between the cuts then why is it there?!].