No, that's a bug and we will be rolling out a fix soon: https://github.com/WhisperSystems/Signal-Desktop/issues/1428 …. You can re-import contacts from the Settings menu for now.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
No, that's a bug and we will be rolling out a fix soon: https://github.com/WhisperSystems/Signal-Desktop/issues/1428 …. You can re-import contacts from the Settings menu for now.