Jan 2022, I wipe the screen frequently and I can't remember the last time I had any ghost touches. In late December there was an update to get to Android 11. There were no problems or changes that I saw. The previous update was late October so it is not getting them every month like in the beginning. For those with freezing issues you need to go into the developer section and turn on "show touches". If you are getting ghost touches at least you'll be able to see them. Keep the screen clean of fingerprint smudges and dust and dirt. In a lot of lighting conditions you can't necessarily see those fingerprint smudges so just wipe it on a regular basis.