Open Whisper Systems have asked LibreSignal to stop using their servers and may decide to shut it out.<p>See <a href="https:&#x2F;&#x2F;github.com&#x2F;LibreSignal&#x2F;LibreSignal&#x2F;issues&#x2F;37" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;LibreSignal&#x2F;LibreSignal&#x2F;issues&#x2F;37</a> and discussion upthread.