A possible bug:
I enter to the spreadsheet coordinates of points, occupying the range A1: B5.
I enter the expression = (A1, B1) to the cell C1 and copy this expression to the range C2: C5.
The points of the range C1: C5 are represented graphically, but I can not move the points. In version 3 all the points constructed in this way could move ...
I think this is a problem for the study of dynamic correlation.
GeoGebra Java 3.9.248 1.0.25