I am on the latest kernel.
Its very interesting that your touchpad/keyboard never comes to a halt, have you used Linux for long hours?
This is actually a recurrent issue with most devices:
You can see a guy explaining how he deals with a non-responsive keyboard. I thought it was temperature induced issues, but no. I’m using EndeavorOS and now it very rarely goes above 54ºC and the battery life in this distro is amazing.
I can try to compile it. What are you trying to add to the custom kernel?