One thing that is a game changer on GrapheneOS is the network toggle for apps. Turn off network access for your keyboard, camera app, calculator, files, etc.

Definitely one of the best features to have this in the native UI, though it's also possible in other ways

If anyone wants this without GrapheneOS: https://f-droid.org/packages/dev.ukanth.ufirewall

If anyone wants this without GrapheneOS and without root: https://f-droid.org/packages/net.kollnig.missioncontrol.fdro...