Viewpoint0232 HA! They have been saying "soon" for so many years. Just like proton does with certain features. it will never happen.
Every "privacy" centric company is basically forced (yes, forced, you know what i mean) to do penance by giving up SOME kind of key protection. For Proton it's recovery info and no monero, for Mullvad it's no multihop for android. For Signal for a long time it was blasting your phone number everywhere and still is downloading only from google play, these kinds of things.