> This is not as good as having an official standard (say, in Cargo.toml)
It’s present now: https://doc.rust-lang.org/cargo/reference/manifest.html#the-...
It’s present now: https://doc.rust-lang.org/cargo/reference/manifest.html#the-...
There will always be some issues with package maintainers using new features without realizing it, and/or forgetting to bump the minimum version. But now that there is a standard for how it should be done, I can submit patches to these projects to fix the problems when I encounter them.