The big one is package management. Julia's package manager is one of the best in the world (along with Rust). Python has about 20, and they all kind of suck. T

The big one is package management. Julia's package manager is one of the best in the world (along with Rust). Python has about 20, and they all kind of suck. Threading is another. There's also a bunch of smaller things (e.g. no local eval) that are more tradeoffs for performance than straight up wins.