GrapheneOS is just Android and (as far as i know) all Android versions use SELinux. Why not just use a basic distribution like Arch with SELinux?

That srticle does not claim PGP to be insecure.

Everything in moderation

The voltage, state and current draw and other cool stuff can usually be found from /sys/class/power_supply/BAT0/ you just have to make a small script to calculate what you need from that. This requres some knowledge, but it’s one way to do it.

https://caniuse.com/css-filters

It looks like not really anymore

You’re all breathtaking!