In Visual Studio for OSX, go to Visual Studio Community > Preferences > Publishing > Apple Developer Account and click to + button to sign in and add your developer account. In theory after that automatic provisioning should work.
In Visual Studio for Windows, go to Tools > Options > Xamarin > Apple Accounts, you will get a prompt to install FastLane before your Apple ID will show up under Automatic Provisioning.
与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…