If I set these values and hit Apply the values are set back to the default values:
Warning disk temperature threshold
Critical disk temperature threshold
The disks in question are M.2 NVMe devices running in single disk XFS pools.
I tried to set these values to 60/65 celsius. After hitting Apply these values go back to 45/55 celsius.
Some users are having issues editing smart-one.cfg, I'm also having trouble with both my updated servers, curiously it works on my test server, what you can do for now is to manually edit smart-one.cfg like so:
You can copy/paste the device ID after clicking on the device: