TRibbon issue on delphi 12

[Bogo 0]

Good morning, I'm migrating from Delphi 10.3 to Delphi 12, but I'm facing the following issue:

 

Using the native TRibbon component in Delphi, I dynamically create its menus according to a TMainMenu and a TActionManager.

Up to this point, no issues; it's creating normally as it always has. However, when I use the TRibbon property "Use Custom Frame" as True, so that the ribbon's frame becomes the main one on the screen, the following error occurs:

 

When minimizing or switching the program to another screen, my menus, which were displaying correctly before, are now showing this "black image.

Anyone know how to solve this?

[Brian Evans 105]

Too much effort required to reproduce. That leaves just others who might have seen the exact issue already - a smaller group than those who could debug or investigate it if given an easy to run and debug reproduction of the issue.

[Lars Fosdal 1792]

Are you able to reproduce the effect with a bare bones test application?

Can it be related to DoubleBuffering settings?