Aug 29, 2026 · 10 min
NumRS2 0.4.1 Released — O(1) Copy-on-Write Arrays, Real Distributed Collectives, and a Production-Hardening Pass
NumRS2 0.4.1 is a production-hardening pass across the whole crate: Arc-backed copy-on-write arrays with O(1) clone, a shared kernels dispatch layer, expression fusion via .expr()/.eval(), real TCP-backed distributed collectives replacing fabricated results, lapack on by default, and a long, independently verified list of correctness fixes — on pure-Rust SciRS2 0.6.5 with 5,635+ passing tests.
releasenumrs2numpy