SimpleX Chat v5.7.0: Quantum Resistant End-to-End Encryption

"This release focus is improving the app usability, and preparing the foundation for v5.8 that will provide an in-built protection of user IP addresses when connecting to unknown file and messaging servers, reducing the need to use Tor (which would still remain supported via SOCKS proxy, for additional privacy)."

https://www.nobsbitcoin.com/simplex-chat-v5-7-0/