well I've recieved the v2 boards from OSH and everything looks good. I've noticed one irritating issue, which is the micro USB ports on the zero stick out slightly, and clash with one of my headers, but is fine if run as a 90deg header under the board.

The other issue was when I accidentally contacted my 5V converter against the shielding on a ribbon cable and fried (connected to 12V) the zero and I assume the level converters - oops. So I want to add some voltage protection in the form of a voltage protection diode.

So I will make some adjustments and upload the finalised version.

Bare board

Populated board

Board & Raspberry Pi Zero