A lot off people's complaints about it and Samsung does if there nothings wrong. If they don't do anything about it I'll never by a Samsung phone again.
My phone is a note 10+ and I'll can't only use it white the pen.
Try wiping the cache partition on the phone, as this can resolve common issues after updates. To do this, just search 'how to wipe cache partition Note 10+' and you should find what you are looking for 😃. Hope this helps! 😄