I am curious about DeepSend and DeepProtocol (Stealth Addresses). This could help DeepOnion to assert its position on the market. Recently they announced that they are already testing but as far as I know there is no actual release date.
https://deeponion.org/community/threads/deep-protocol-stealth-addresses-tests-continued.32396/

On their roadmap it listed for Q2 2018
https://deeponion.org/#roadmap