I noticed a bug inside layout/cell properties when you have multiple property sets and want to use diffrent banner set in them.
If you set all the diffrent banner sets in the different property sets and the save, it allt seem to work.
But if you go back an click thru the property sets you will se that the banner set in each of them is set to the same banner set.
And if you have made a small change in any property set the wrong banner set will be saved in some property sets.
There seems to be some persistence problem there.
In the attached links you can see 2 screenshots where i had 2 different banner sets in the different property sets when i saved last time (i tested after the save) the when i open it up again and made a diffrent edit and saved it again, the banner sets got wrong.
Screenshot 1
https://i.imgur.com/fdL9RiV.pngScreenshot 2
https://i.imgur.com/AvR1cEN.pngProblem is manageable if you always remember to adjust the banner set on all property sets each time you have made any edit in that sell property, but the more advanced layouts you make the bigger risk of getting wrong