Apple TV Apk works at last for my Sony Z9D tv!!
After installing the latest firmware update (v6.7120 24th Aug 2022) for the Sony Z9D (Year 2016 Model), i Sideloaded the AppleTV Apk from the website listed below. i used a USB Thumbdrive to install the apk directly to the tv.
Super happy now to report that it works great!! DolbyVision/DolbyAtmos all works superbly! no more pixellated or jerky playback!