https://developer.apple.com/forums/thread/680886?page=3
"Same problem, Big Sur 11.4, Xcode 12.5.1, Safari 14.1.1, iOS 14.6. I've successfully debugged on my iPad using Safari on my iMac (should be all of the same version numbers involved), but right now, using my MacBook Pro and my iPhone, I've got nothing but the three blank tabs."
Select Language