Apple EU HQ took my case seriously and remotelly collected data from my iPad and forwarded case to technical center.i believe they will fix this problem...hope...
I have used several iPads succesfully via cabel connection icluding older 9.7 Pro. Problems started with newest iPad Pro 11 with both of my cameras 5D IV and 1Dx II all with latest Firmwares. I have tried unsuccesfully with several cabels or only w 1...