What do I make up? I guess what the uncertainty could be and saying that they shouldn’t give such a precise number, if it’s in reality not that precise.

The uncertainty of this number is probably at least 1%, more likely 2 to 3%. Giving this number with 2 digits precision makes no sense.

CalyxOS still provides extended support for Pixel 4a until August 2024.

You could try to change the sleep state from s2idle to deep. Not sure how to do this on Kubuntu though.

I second using a preconfig for Hyprland if you want to have something fancy and usable out of the box. You can build on top of that.

That’s already possible either by using a custom ROM or by connecting to a PC and using adb.

Ice machines was something puzzling to me when I was in the US. I am curious why would you need an ice machine if you already have a fridge in the room?