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Rust Coreutils Rewrite (uutils Coreutils) 0.11 Improves Performance and Compatibility

The uutils Coreutils project, a Rust rewrite of GNU Coreutils, has released version 0.11 with improved performance and enhanced compatibility with GNU commands.

1 September 2026
Rust Coreutils Rewrite (uutils Coreutils) 0.11 Improves Performance and Compatibility
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The uutils Coreutils project, which aims to provide a cross-platform implementation of GNU Coreutils using the Rust programming language, has released version 0.11. This update brings significant improvements in both performance and compatibility across Linux, macOS, and Windows.

The latest release has increased its GNU compatibility rate to 95.33%, up from 94.44% in the previous version. The number of successful tests against the GNU test suite has grown, with fewer failed tests and no reported suite errors.

Performance has seen substantial gains, particularly through the implementation of Profile-Guided Optimization (PGO). This technique has boosted performance by up to 31% for certain operations. The cp command, for instance, now exhibits over 32% faster file copying, and the join command is 1.37 times faster in specific workloads.

Version 0.11 also introduces a new Ariadne-based diagnostic engine, offering more detailed error messages that pinpoint issues within user input. Additionally, several new GNU-compatible options have been added, expanding the utility of commands like uname and cut.

Original source: ithome.com