Issue in BS2 with mashing at 63C/145F

Why when I choose a mash temp any lower that 63.8C/146.84F does the estimated FG go up in gravity points. Shouldn't it go down?

For example..

My estimated FG is 1.004 @ a mashtemp of 64C

When I change nothing else but the mash temp to 63C (for a light lager)

My FG jumps to 1.008

This make no sense to me, if there a flaw in the software?

An info on this issue would be great..

EDIT
I know there is already a thread goin but ill leave this up anyway so hopefully the issue gets addressed

Hi,
  This is related to the adjustment of FG estimates for mash temperature.  I had only a limited range of experimental data, so I only applied the adjustment within that range.  I have a note now to correct this in the next version so it behaves smoothly outside of that range.

Brad

Thanks for the reply.

Any idea when is the next version will be out?