New-ish. I forget exactly when... But I want to say a month or two now?
I was just wondering which platform/firmware version you are seeing this on. I have MS250 on 14.19 and some MX100 on 14.31 and I don't see this option.
I see that one is the latest stable release candidate. Any issues noticed with that version? If not, I'll have to get one of mine upgraded to get that option.