Slide name variable not working in Edge

I have logged this bug already quite a while ago, even beffore the new Edge was released. It is not only happening in Edge, but also (not always consistently) in other browsers - even Chrome.  Shapes seem to appear empty when they are used as text containers for dynamic text That is text with inserted variables (system or user).  I didn't get any feedback on my bug report, because to me personally this is an, important bug. The workaround is to have a text caption - which still supports dynamic text -  on top of a shape. But that solution is not valid for a fluid boxes project where stacking is impossible. I'm sorry but cannot offer you a real solution for this problem.