TWiR with AI summaries

This Week in Rust 639
Official
Announcing Rust 1.93.1 blog.rust-lang.org
Rust 1.93.1 fixes an ICE affecting rustfmt, a Clippy false-positive, and wasm-related file descriptor leaks.
crates.io updates its malicious crate notification policy, discontinuing blog posts for every detected instance in favor of RustSec advisories unless real-world usage is identified.
A recap of Cargo 1.94 development, detailing progress on structured logging, TOML 1.1, build system changes, and workspace improvements.
Newsletters
This month's Scientific Computing in Rust newsletter features the `approx` crate for float comparisons, a new release of `polyfit` for high-performance polynomial fitting, and a call for testers for `approx` 0.6.0 release candidates.
The Embedded Rustacean Issue #65 www.theembeddedrustacean.com
Issue #65 of the Embedded Rustacean newsletter, featuring recent news, articles, tutorials, events, and job opportunities relevant to the embedded Rust ecosystem.
Project/Tooling Updates
stochastic-rs v1 stable introduces SIMD-accelerated PRNGs and distributions with up to 5x speedups, generic `f32`/`f64` support, parallel execution, and Python/CUDA integration.
Banish is a Rust DSL for declarative, rule-driven state machines that re-evaluate rules within a state until a fixed point is reached before transitioning.
Introducing `volsurf`, a new production-quality Rust library for building and querying volatility surfaces with SVI, SABR, and SSVI models, designed for high performance and architectural rigor.
Adds custom database migration checks using Rhai scripting on `pg_query` AST and a `dump-ast` CLI subcommand.
Selium's v1.0.0-alpha unveils a Rust-powered WebAssembly runtime for distributed systems, featuring stream-based I/O, FlatBuffers for strong typing, and capability-based security.
FerroTunnel is a new high-performance, embeddable, zero-copy reverse tunnel library for Rust applications, offering a library-first alternative to tools like ngrok with plugin support and observability.
A low-level system trace of a `curl` request, detailing syscalls, network I/O, and resource usage.
Shell-Cell is a CLI tool for declaratively defining and launching isolated, containerized Rust development environments to securely compile and run potentially untrusted code.
SurrealDB 3.0 enhances its Rust-powered core with stability and performance upgrades, and introduces Surrealism, a WebAssembly-based extension system for writing and executing custom logic in Rust directly within the database.
`sighook` v0.9.0 adds `prepatched::*` APIs for offline trap points and iOS prepatch workflows, refines inline hooking, and introduces `unhook` functionality.
Observations/Thoughts
Async/await on the GPU www.vectorware.com
Rust's `async/await` and `Future` trait can now run on GPUs, enabling structured concurrency for high-performance GPU programming with examples using `block_on` and `embassy`.
Gain insights into the evolution, current state, and future challenges of Async Rust and Tokio for high-performance applications, straight from Tokio's author.
Rust Walkthroughs
Learn to write high-performance RISC-V smart contracts in Rust for Polkadot's PolkaVM, embracing a `no_std` bare-metal approach with Ethereum ABI compatibility.
This article explores various methods for distributing Rust CLIs to Windows users, including package managers (Scoop, Chocolatey, WinGet) and retro-compatible builds for Windows 98 using WASM/C compilers and even multi-platform "Actually Portable Executables."
Learn how to build a Rust PostgreSQL extension with `pgrx` to block unsafe `UPDATE`/`DELETE` statements, detailing the journey to correctly leverage Postgres's internal query analysis via `post_parse_analyze_hook`.
Dive into the experimental results of training a 9M-parameter LLM built from scratch in Rust, revealing insights on architecture, data scaling, and transfer learning for generating stylistic text without semantic understanding.
Miscellaneous
The January 2026 Rust Jobs Report details 1295 openings from 117 companies, highlighting IoT/robotics/automotive as the leading sector and continued strong demand for senior roles.
JetBrains' 2025 survey details Rust's sustained growth, broadening use cases from systems to AI, maturing ecosystem, and thoughtful integration of AI tools by its diverse developer base.