Upgrading from Plex 6.1 to 7.2.1 but there is something odd with the images in the panels. In 6.1, there is no frame around the image. In 7.2.1, there is a frame around the image.
CA Plex 7.2.1
CA Plex 7.2.1 changes the Button's border property to Bump from None.
If you have the Button's border property set to None in Property Panel:
then after upgraded to 7.2.1, the default value changes to Bump.
For individual buttons, if you have to have None value, please set it back and re--gen.