X³ gates vs. X4 gates... what happened?

[MarStrMind]

I understand that this is more of an art concept than anything else, but I do wonder... what happened with the gates in X4? I just started X³ for the first time after purchasing, and maybe it is just me - but I find the gates in X³ to be of a better design than in X4.

Comparison (left: X³)

Is there a possibility to extract the gate model from X³ and then implement or "swap" it in X4?

// EDIT: This was meant to go into the main discussion forum. Accidentally posted into the mods forum.

Moved on author's request.E.