Signal recently released another grand jury subpoena which, as always, basically had nothing interesting to turn over in response. For the requested phone numbers they could only provide the account creation timestamp. https://signal.org/bigbrother/district-of-columbia/

Grand jury subpoena for Signal user data in the United States District Court for the District of Columbia
Signal end-to-end encrypts both content and metadata by default far beyond most of our peers. Our aim is to have access to as close to no data as possible, meaning that we have a fraction of the personal information compared to the average communications service. We simply don’t have access to th...
