After initially launching it exclusively in China last week, DJI has announced a global release (not including the US) for its new Osmo Action 6 action camera. The camera is not a radical departure from the physical design of last year’s model, but DJI is introducing some innovative new functionality. For example, it features an adjustable aperture that uses a mechanical iris (rather than relying on software tricks) and a larger square format sensor that offers more flexibility when you want to