I encountered situation when in Google Chrome last value of Combo Box hides under the toolbar. I have tried same situation in Mozilla Firefox and in Firefox displaying over the toolbar. How to fix this problem in Chrome? Attaching pictures how it looks.
Could you please provide a bit more detail about this behavior? Are you using the built-in Combo Box widget? Did you apply any custom styles to it?
The normal behavior of the combo box would be to open towards the top if there isn't enough space towards the bottom of the screen...
However, if we can "force" the combo box to open towards the bottom of the screen even if there isn't enough space, I verified that Firefox and Chrome have the two different behaviors that you described, even when using a generic drop down (not generated by OutSystems Platform):