Hello. I recently developed Pumpkin, Its a efficent and fast Minecraft server completely written in Rust from the ground up, Check it out :D
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> Be a drop-in replacement for vanilla or other servers
It seems to me that unless it's a drop-in replacement its not a Minecraft server? Akin to how say an Uno deck isn't a drop-in replacement for a Hearts deck but still both card games but not both Uno decks.
Or is it just meaning that Pumpkin (besides the network) do things differently than vanilla and so you might not be able to open a vanilla created world using Pumpkin?