In Switzerland you won't have any issues, I also have a case with mine and no issues whatsoever. In a recent trip to Bangkok it did felt warm but I was doing lots of videos and photography.

I can confirm rayFX's comment, I have never had any problems in this direction. My usage profile is probably similar.

For information on causes and measures in the event of overheating, see link:
https://thinborne.com/de...

I don't game with it, and I don't shoot film for hours on end either. However, I still use it relatively intensively and haven't had any problems in this regard so far.

No