It's accumulated a lot of cruft over its >20 years of existence. Especially the language, which can't be changed due to otherwise breaking backwards compatibility.
There's Nickel which is sort of Nix expression language 2.0 but, honestly, the Nix expression language is perfectly adequate for what it needs to do.
Not to say it couldn't be better I wouldn't put it inn any top 10 of what is holding Nix back.
It's accumulated a lot of cruft over its >20 years of existence. Especially the language, which can't be changed due to otherwise breaking backwards compatibility.
There's Nickel which is sort of Nix expression language 2.0 but, honestly, the Nix expression language is perfectly adequate for what it needs to do.
Not to say it couldn't be better I wouldn't put it inn any top 10 of what is holding Nix back.