There seems to be some conflicting advice about the hole size.
I did see that too, in the end I just prick the hole and push the valve in (all tubeless installation were using Stan parts), the main issues were merely the tyres not mounting/not enough rim tapes.
I did see that too, in the end I just prick the hole and push the valve in (all tubeless installation were using Stan parts), the main issues were merely the tyres not mounting/not enough rim tapes.