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All my attempts to communicate a vulnerability in #Signalapp have failed - I have not received any response to my multiple messages to them. Good people have tried to forward my concern to them (and I am thankful for your efforts and help), yet this has been to no avail.

I am disappointed in the lack of communication from Signal. I will be disclosing the full details of the issue later today (with end-user mitigations), after the six-month anniversary of the initial report.