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Implement decentralised message history by adding a BitTorrent-like protocol so the clients ask each other for the old messages. This should scale pretty good.
No due dateAdd voice channels / calls
No due dateAdd groups and guilds using the MLS Protocol
No due date•0/1 issues closedImplement direct messages using the Signal Protocol
No due dateImplement basic infrastructure to build the app on. This includes especially the PGP system / web of trust.
No due date•6/8 issues closed