or just use the source of this branch, which is luanti, this is just a outdated version of it with a different name to my knowledge. https://www.luanti.org/downloads/
most lag i got was from bad computers though, lowering render distance doesn't do much then unless it's at 20 or something ridiculous
stonecraft has it's own (sub-) game stonecraft with a lot of mods and own map concept (... funny world creation anyway ...)
