so this Revolt project is open source, which is nice, but still seems to rely on centralized servers. Does it use P2P for voice+video+fileshare so that the original devs aren't on the hook for insane bandwidth requirements? I can't see anything about their networking systems in the FAQ or info pages.

I may consider getting my friends to switch sooner or later if it's more P2P based. But I don't really want something that runs ALL traffic through central servers, because the bandwidth costs will inevitably just lead to the same situation that Discord is now in.