The performance differences look pretty impressive from the benchmarks. I do notice that world generation and saving features are missing though, and these tend to be pretty expensive operations. Chunk gen especially can bring a weaker VPS to its knees. I'm sure the benchmarks were taken at an idle state, but I'd be curious to see how it compares once those features are included and being used.
I don't see it listed, but is there support for block breaking/placing yet? Presumably this would require light recalculation and a chunk update on the server.
Finally, do you plan to add advanced features like scoreboard, teams, or command block parsing in general? Mojang has at least open-sourced Brigadier for that.
Cool project. Hope to see it mature to the point of making servers easier to run on low-end hardware.
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