"Reasons" is "Nobody wants to wait for the package maintainers to decide that their favorite new shiny toy is enough a priority to update it to a version recent enough to match the online documentation for the new shiny toy," mostly.

As I mentioned somewhere side-thread: Debian Unstable is only three minor versions behind the version of Rust that the Rust team is publishing as their public release, but Debian Stable is three years old. For some projects, that dinosaur-times speed. If I want to run Debian Stable for everything except Rust, I'm curl-bashing it.

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ryandrake 2 days ago | parent [-]

As a user, if you need to run recent versions of your tools, I'd argue Debian (at least Debian Stable) is not for you. Luckily we have many choices among Linux distributions!

	▲	int_19h a day ago \| parent [-]
		There's nothing wrong with Debian for running recent versions of your dev tools; you just shouldn't expect to get them from the official Debian repositories. But there are third-party repositories for things like e.g. latest Node versions. I would expect there to be something for Rust, as well, but apparently they are also packaging rustup now.