Bongo Gumball

will it be possible one day in the near future to record the geometry deformations or at least rotations/scale made with gumball ?

The answer to your question is unfortunately most likely never.
Why? Rhino would first need to support the animation changes to it and by making that possible it would make Rhino into a worse product for modelers. Rhino is designed to be a modelling platform not an animation platform.

Why?? modelling and animation without integration?? …Best modelling platforms are also animation platforms. And if you are developing a plug-in for animation within native modelling software like rhino, seems really weird not to have the chance to record the most basic on-the-fly translations