Delphi IDE, FM form designer, Windows key produces a left square bracket

  

When I have a FireMonkey project loaded with a form design surface focused pressing the windows key produces a left square bracket into whatever property has focus. Often this produces an “Invalid property value.” error and reverts the unwanted change but not always. Does not happen with VCL forms or data modules.

No luck tracking down where it is coming from. Anybody else see this behavior or know where it is coming from? I use CTRL + Windows Key + Left/Right Arrow to switch desktops a lot and this behavior is getting annoying.

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