Great question. It's kind of related to the things I hold high in regards to Lightning Privacy, but in general I really want to see Route Blinding, Trampoline payments, and splicing become a thing. If we can get those 3 things, I would say we will be in a really good place.

Outside of privacy and protocol work, I hope to see more teams experimenting with LDK-based solutions and I hope to see the distributed LSP marketplaces grow, something along the lines of what Magma has been going for. We need more reputable LN nodes providing more advanced services that are themselves not mega hubs. Which, related to that, I hope to see some really cool LN integrations with smaller fediment federations.