Create a ribbon form set font to arial add a sizer set to full dock on that form add in one column and one row. Place a c1button into the bottom right square. Run application. You should see that the c1button has now shifted up.
If I use a standard form the c1button does not shift if the form is set to Microsoft Sans Serif the c1button does not shift.
example attached.
Also running most current release of all controles