IR v8i - Removed Define Transitions By toggle

In IR v8i, why was the Define Transitions By (Constant/Length) toggle removed from the Horizontal Curve Set tools and left solely in the Options?

I used this toggle often since I have some alignments set by even length and some by even constant. 

Can you please put it back, or add a toggle in the variable manager so I can turn it on if I want it?

 Thanks.

Chris