It will help with the following:
Reduce double posting
Reduce the chance of a bug making its way to the next release, because the devs didn't notice when it was reported
And possibly more thing that I can't think of right now.
In another note, is CS2D still being developed?
I've heard talks about Unity CS2D, is that true?
If so, are there any solid plans for it?
If not, will the "CS2D era" just stay as it is?