I created a .mov video with QuickTime Player, tried to upload, got message requires 1080x1920, 1920x1080. Couldn't find a way in QuickTime to change aspect ratio to the required size. Or if there is a better way of uploading videos? Can anyone help?
Uploading Reviews to My Apps, having trouble.
Did you proceed as instructed here ? https://developer.apple.com/fr/support/app-previews/