Ubuntu 25.10’s transition to using Rust Coreutils in place of GNU Coreutils has uncovered a few performance issues so far with the Rust version being slower than the C-based GNU Coreutils. Fortunately there still are a few weeks to go until Ubuntu 25.10 releases as stable and upstream developers are working to address these performance gaps.
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Rust is great, but might it be a bit premature to replace the venerable coreutils with a project boasting version number 0.2, which I imagine reflects its author’s view on its maturity?
The author simply listened to the word of 0-Based Versioning. It says more about your maturity than of the projects. Much to learn you still have.
Version is just a number, just like age. (of Rust, of course)