PL5: Fuji X-Trans RAW file processing w/ 3rd party lens

Oops, I went searching yesterday for existing threads on the Fuji X-Trans sensor and PhotoLab 5, but missed this, so I made a new post:

https://forum.dxo.com/t/dxo-with-fuji-x-trans-sensor/21923

While reading your post, I was confused by this:

I don’t know much about the X-Pro2, other than I came very close to buying one several years back. Can you please explain what this function is, what it does, and so on? Is the camera taking a photo, or just doing something with the shutter? Maybe that is the issue?

Is there a description of this on-line?

My X100f doesn’t have a removable lens, so I know nothing about how to use your camera.