Mine, series 6 didn’t have problems with the 10 but the 10.1!!! You know the story…. And mine got extremely hot even on my wrist and on the table. I had to turn it off. After trying many things… I got it to about maybe 75% of what it was. Still disappointed ☹️ Apple is not taking care of us customers. They shot themselves on the foot.
Just a suggestion, turn off automatic updates. Check it manually so you know what you put and when you put an update. I have not made the last update on my iPhone, iPads and MacBook yet. They say in my country that: “If you throw a cat on boiling water, if he survives, he will be afraid 😱 of even cold water”. That is me right now.
Until Apple assumes that 10.1 was released to the public, even if by accident, but was released and has major problems and they sem a patch for it, NO MOTE UPDATES FOR ME.