It also looks like the screws on the side of the casing are now thumbscrews.
From the horses mouth:
OCD versions.. the straight poop: OCD's are now version4, have been for a few months, anything serial # 16,061 and higher IS THE NEWEST VERSION regardless of cosmetics, screws, or LED color. There are no mods or instructions to mod offered at this time or anytime soon.
Course he's been messing with the circuit since #14xxx (august) judging by some of the pics posted here.
Thats about right. I wonder how many dummies have bought all 4 versions because Fuller has them convinced each one is better.
I'm gonna start building pedals. The first one I'll put out with have 4 problems. After I sell 1000 of them I'll fix one problem and sell them as V.2. Then I'll fix the second problem and sell them as V.3........................