> running add-ons in a separate process as on Desktop isn't possible, because on Android secondary processes can get killed at any time, which add-ons aren't se

> running add-ons in a separate process as on Desktop isn't possible, because on Android secondary processes can get killed at any time, which add-ons aren't set up to handle correctly That's true (though it will probably improve as WebExtensions evolves toward service workers), but engineering wasn't hung up on that.