It's weird that it's working for some of us but not others. Could it be TV model? HDMI cable or adapter quirk? iPad type?
I've got a 55" Samsung 4K UHD curved screen display, Anker USB-C to HDMI adapter, HDMI 2.0 cable, and iPad Pro 11" 2018.
I've got a 55" Samsung 4K UHD curved screen display, Anker USB-C to HDMI adapter, HDMI 2.0 cable, and iPad Pro 11" 2018.