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⇱ Rust 1.91 Promotes Windows On 64-bit ARM To Tier-1 Status - Phoronix


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Rust 1.91 Promotes Windows On 64-bit ARM To Tier-1 Status

Written by Michael Larabel in Programming on 30 October 2025 at 03:01 PM EDT. 45 Comments
The Rust project announced today the release of Rust 1.91 as the latest update to this popular programming language priding itself on memory safety capabilities.

Most notable with Rust 1.91 is now promoting aarch64-pc-windows-msvc to a Tier-1 platform status. This takes the Windows on ARM support by the Rust programming language to the highest support tier inline with other common operating systems and architectures. Rust 1.91 with Tier-1 for Windows on 64-bit ARM/AArch64 also means pre-built binaries are also available for new releases.

Rust 1.91 meanwhile also promotes the aarch64-pc-windows-gnullvm and x86_64-pc-windows-gnullvm ports to Tier-2 status with host tools.

Rust 1.91 also now lints against dangling raw pointers from local variables plus stabilizes a number of different Rust APIs.

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Downloads and more details on today's Rust 1.91 release via Rust-Lang.org.

Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.