Recording calls without the approval of the other party is illegal in many countries which is why Graphene and other Android ROMS forbid it explicitly depending on your location. Understandable really.

It also includes the people that deleted their Twitter accounts following the acquisition. I’m one of those people and I’m especially annoyed because I only used that blasted app only to register to some giveaways when I was in middle school. I have since discontinued that email account, but still.