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Rust Bytes @rustaceans.bsky.social · 23/09/2026

Allow observers to participate during meetings > Rust Leadership Council revised observer policy allowing useful participation in meetings, aligning rules with longstanding practice and ending frequent violations.

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Rust Bytes @rustaceans.bsky.social · 23/09/2026

JUST IN: Rust Foundation Welcomes New Members: CodSpeed, Haevek, Perplexity, and Software Stewardship Lab

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Rust Bytes @rustaceans.bsky.social · 23/09/2026

Hardening Linux's C Code: A Rewrite-and-Verify Loop > Extract Linux C parser, rewrite safely in Rust, differential-fuzz for match, prove no OOB in Lean; helped fix UVC overflow.

Image: Hardening Linux's C Code: A Rewrite-and-Verify Loop

> Extract Linux C parser, rewrite safely in Rust, differential-fuzz for match, prove no OOB in Lean; helped fix UVC overflow.

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Rust Bytes @rustaceans.bsky.social · 23/09/2026

Writing Rust code that's faster than state-of-the-art libraries by asking agents to make the code faster > Max Woolf shows agentic LLMs iteratively optimize Rust code via strict benchmarks and prompts, yielding 2x–20x speedups over state-of-the-art libraries without unsafe code

Image: Writing Rust code that's faster than state-of-the-art libraries by asking agents to make the code faster

> Max Woolf shows agentic LLMs iteratively optimize Rust code via strict benchmarks and prompts, yielding 2x–20x speedups over state-of-the-art libraries without unsafe code

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Rust Bytes @rustaceans.bsky.social · 23/09/2026

Building a Faster C# Driver for ScyllaDB…on our Self-Baked C#-Rust FFI Framework > ScyllaDB rebuilt its C# driver atop Rust via custom FFI framework, keeping the API while nearly doubling concurrent performance.

Image: Building a Faster C# Driver for ScyllaDB…on our Self-Baked C#-Rust FFI Framework

> ScyllaDB rebuilt its C# driver atop Rust via custom FFI framework, keeping the API while nearly doubling concurrent performance.

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Rust Bytes @rustaceans.bsky.social · 23/09/2026

Rust Background Jobs with Apalis and Postgres: Reminders on Solana > How Heirloom built reliable Solana reminder jobs with Apalis + Postgres: idempotent keys, onchain guards, retries, and a migration gotcha.

Image: Rust Background Jobs with Apalis and Postgres: Reminders on Solana

> How Heirloom built reliable Solana reminder jobs with Apalis + Postgres: idempotent keys, onchain guards, retries, and a migration gotcha.

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Rust Bytes @rustaceans.bsky.social · 23/09/2026

Arguing about arguments > Steve Klabnik, once against fancy Rust argument features from Ruby experience, now cautiously supports named parameters alone due to AI coding agents improving call-site clarity.

Image: Arguing about arguments

> Steve Klabnik, once against fancy Rust argument features from Ruby experience, now cautiously supports named parameters alone due to AI coding agents improving call-site clarity.

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Rust Bytes @rustaceans.bsky.social · 23/09/2026

Rust's learning curve is mostly a learning curve about computers.

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Rust Bytes @rustaceans.bsky.social · 23/09/2026

Fearless SIMD v1.0 is here > Fearless SIMD v1.0 enables safe, performant portable SIMD in Rust without unsafe code, via macros and safe intrinsics access, already widely adopted.

Image: Fearless SIMD v1.0 is here

> Fearless SIMD v1.0 enables safe, performant portable SIMD in Rust without unsafe code, via macros and safe intrinsics access, already widely adopted.

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Rust Bytes @rustaceans.bsky.social · 23/09/2026

Apache Iggy 0.9.0 Release > Apache Iggy 0.9.0 is the first TLP release, adding full VSR clustering, durability options, many SDK/connector updates, and major performance gains.

Image: Apache Iggy 0.9.0 Release

> Apache Iggy 0.9.0 is the first TLP release, adding full VSR clustering, durability options, many SDK/connector updates, and major performance gains.

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Rust Bytes @rustaceans.bsky.social · 22/09/2026

Polars 2.0 makes streaming the default Lazy engine (order no longer guaranteed), tightens casts/API, removes many deprecated features, and changes CSV/IPC behavior.

Image: Polars 2.0 makes streaming the default Lazy engine (order no longer guaranteed), tightens casts/API, removes many deprecated features, and changes CSV/IPC behavior.

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Rust Bytes @rustaceans.bsky.social · 22/09/2026

Announcing a Maintainer in Residence: Scott Schafer for the Cargo team > Rust Foundation funds Scott Schafer full-time as Cargo Maintainer in Residence to ease the team’s heavy maintenance load and backlog.

Image: Announcing a Maintainer in Residence: Scott Schafer for the Cargo team

> Rust Foundation funds Scott Schafer full-time as Cargo Maintainer in Residence to ease the team’s heavy maintenance load and backlog.

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Rust Bytes @rustaceans.bsky.social · 22/09/2026

Awesome Links Of Last Week 🧵 Check thread below 👇 #rustlang #rust

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Rust Bytes @rustaceans.bsky.social · 22/09/2026

How Rust programmers seem to normal people 😎

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Rust Bytes @rustaceans.bsky.social · 22/09/2026

Maintainer spotlight: Alejandra González (@blyxyas) > Alejandra González (@blyxyas), Clippy maintainer and first Maintainer in Residence, shares her path into Rust, mentoring, and passion for faster compile times.

Image: Maintainer spotlight: Alejandra González (@blyxyas)

> Alejandra González (@blyxyas), Clippy maintainer and first Maintainer in Residence, shares her path into Rust, mentoring, and passion for faster compile times.

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Rust Bytes @rustaceans.bsky.social · 22/09/2026

GitHub Actions leaking secrets when Miri output is cached > Miri cached all env vars in target/, letting GitHub Actions PR caches leak secrets. Fixed by restricting preserved variables; clear caches and rotate secrets.

Image: GitHub Actions leaking secrets when Miri output is cached

> Miri cached all env vars in target/, letting GitHub Actions PR caches leak secrets. Fixed by restricting preserved variables; clear caches and rotate secrets.

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Rust Bytes @rustaceans.bsky.social · 22/09/2026

Slint v1.18.1 got released. > It's a patch release fixing bugs and crashes.

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Rust Bytes @rustaceans.bsky.social · 21/09/2026

Finding Bugs > A simple generative fuzzer comparing regex vs regex_lite found the known bug (and another) by testing small, weighted random regexes and inputs.

Image: Finding Bugs

> A simple generative fuzzer comparing regex vs regex_lite found the known bug (and another) by testing small, weighted random regexes and inputs.

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Rust Bytes @rustaceans.bsky.social · 21/09/2026

A surprisingly large amount of software engineering is asking: “Who owns this?”

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Rust Bytes @rustaceans.bsky.social · 20/09/2026

Trying to Make a Loop Auto-Vectorize > Float loops resist auto-vectorization due to non-associativity; Rust’s algebraic operators enable it, often outperforming naive intrinsics via multi-accumulator SIMD.

Image: Trying to Make a Loop Auto-Vectorize

> Float loops resist auto-vectorization due to non-associativity; Rust’s algebraic operators enable it, often outperforming naive intrinsics via multi-accumulator SIMD.

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Rust Bytes @rustaceans.bsky.social · 20/09/2026

Astro's new Carapace | Astro Together FRA 2026 × Seibert > With Astro 7 came a new, better, faster compiler, entirely re-written in Rust. In this talk, Louis Escher walks you through how the compiler used to work, and what is different after the rewrite.

Image:

Astro's new Carapace | Astro Together FRA 2026 × Seibert

> With Astro 7 came a new, better, faster compiler, entirely re-written in Rust. In this talk, Louis Escher walks you through how the compiler used to work, and what is different after the rewrite.

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Rust Bytes @rustaceans.bsky.social · 20/09/2026

Vortex: One Format for Any Shape > Vortex is an extensible Rust columnar format that fits any data shape via custom types, encodings, and layouts—while staying fast and compact.

Image: Vortex: One Format for Any Shape

> Vortex is an extensible Rust columnar format that fits any data shape via custom types, encodings, and layouts—while staying fast and compact.

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Rust Bytes @rustaceans.bsky.social · 20/09/2026

Ubuntu 26.10 completes transition to Rust-based coreutils > This release, tagged Stonking Stingray and due October 2026, fully adopts Rust-based uutils for core utilities, migrating remaining GNU ones.

Image: Ubuntu 26.10 completes transition to Rust-based coreutils

> This release will move cp, mv & rm Over To Rust Coreutils For 100% Transition

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Rust Bytes @rustaceans.bsky.social · 20/09/2026

Slint 1.18 Released > This release brings FlexboxLayout, spring animations, runtime z-order, leaner code, array mutations in .slint, and quality-of-life upgrades for smoother UIs.

Image: Slint 1.18 Released

> This release brings FlexboxLayout, spring animations, runtime z-order, leaner code, array mutations in .slint, and quality-of-life upgrades for smoother UIs.

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Rust Bytes @rustaceans.bsky.social · 20/09/2026

"Well that’s ironic Or should I say ferrous?"

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Rust Bytes @rustaceans.bsky.social · 20/09/2026

Rotomdex is a terminal Pokédex in Rust with async asset fetching, offline mode, hotswappable versions, and an 80x24 design.

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Rust Bytes @rustaceans.bsky.social · 20/09/2026

Neomacs rewrites Emacs in Rust with a GPU display engine, targeting full compatibility, modern media support, animations, and eventual multi-threaded Elisp performance.

Image: Neomacs rewrites Emacs in Rust with a GPU display engine, targeting full compatibility, modern media support, animations, and eventual multi-threaded Elisp performance.

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Rust Bytes @rustaceans.bsky.social · 20/09/2026

Visualizing The ABA Problem: What crossbeam-epoch Solves > ABA problem lets CAS succeed on recycled pointers, creating dangling refs in lock-free stacks; Rust ownership fails here, Miri detects it, epoch reclamation fixes it.

Image: Visualizing The ABA Problem: What crossbeam-epoch Solves

> ABA problem lets CAS succeed on recycled pointers, creating dangling refs in lock-free stacks; Rust ownership fails here, Miri detects it, epoch reclamation fixes it.

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Rust Bytes @rustaceans.bsky.social · 19/09/2026

This Week's Rust Challenge to solve Last week we had you implement trap challenge. Now… onto this week’s. Given two strings s and t, return the minimum window substring of s such that every character in t including duplicates is included in the window.

Image: This Week's Rust Challenge to solve

Last week we had you implement trap challenge. Now… onto this week’s.

Given two strings s and t, return the minimum window substring of s such that every character in t including duplicates is included in the window.

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Rust Bytes @rustaceans.bsky.social · 19/09/2026

Developing provably correct Rust code with Verus > Verus is an open-source Rust verifier that proves code matches mathematical specs for all inputs, enabling fast, machine-checked correctness even for unsafe and concurrent code.

Image: Developing provably correct Rust code with Verus

> Verus is an open-source Rust verifier that proves code matches mathematical specs for all inputs, enabling fast, machine-checked correctness even for unsafe and concurrent code.

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Rust Bytes @rustaceans.bsky.social · 19/09/2026

[Call for testing] trim-paths RFC 3127 > Cargo’s trim-paths profile option sanitizes paths in binaries for reproducibility; now in call-for-testing ahead of stabilization.

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Rust Bytes @rustaceans.bsky.social · 19/09/2026

Benchmarking Wild vs Mold > Mold’s benchmarks show Wild slower mainly from config differences (delete file, ext4, no-fork) plus Mold’s recent speedups; matched setups align results.

Image: Benchmarking Wild vs Mold

> Mold’s benchmarks show Wild slower mainly from config differences (delete file, ext4, no-fork) plus Mold’s recent speedups; matched setups align results.

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Rust Bytes @rustaceans.bsky.social · 19/09/2026

Is your company currently hiring for a role that includes using Rust? Reply with a link to the opening and any relevant context. If you're not, we'd appreciate a repost for visibility #rust #rustlang #programming

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Rust Bytes @rustaceans.bsky.social · 19/09/2026

what are you working on this weekend?

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Rust Bytes @rustaceans.bsky.social · 19/09/2026

Saving another 100TB of RAM with math (and Rust) > Cloudflare optimized Pingora’s consistent hashing by packing structs tighter and cutting hashes 90% via math analysis, reclaiming over 100TB of RAM globally.

Image: Saving another 100TB of RAM with math (and Rust)

> Cloudflare optimized Pingora’s consistent hashing by packing structs tighter and cutting hashes 90% via math analysis, reclaiming over 100TB of RAM globally.

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Rust Bytes @rustaceans.bsky.social · 19/09/2026

What's a Rust feature you hated at first but now can't live without?

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Rust Bytes @rustaceans.bsky.social · 19/09/2026

GPUI Kit v0.6.2 is out! > This release adds iOS/Android mobile support, new Carousel/Empty/InputGroup components, public editor search API, and performance improvements.

Image: GPUI Kit v0.6.2 is out!

> This release adds iOS/Android mobile support, new Carousel/Empty/InputGroup components, public editor search API, and performance improvements.

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Rust Bytes @rustaceans.bsky.social · 19/09/2026

The Golden Spike, and Resurrecting the Vale(n) Programming Language > Evan Ovadia resurrects Vale as Valen, building deep Rust interop with cross-language generics, memory safety, and seamless compiler integration.

Image: The Golden Spike, and Resurrecting the Vale(n) Programming Language

> Evan Ovadia resurrects Vale as Valen, building deep Rust interop with cross-language generics, memory safety, and seamless compiler integration.

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Rust Bytes @rustaceans.bsky.social · 18/09/2026

Why TeX is Slow and How We Rebuilt It in Pure Rust > ratex is a pure-Rust TeX rebuild that compiles documents 10–70× faster than TeX Live via in-memory packages and smart caching.

Image: Why TeX is Slow and How We Rebuilt It in Pure Rust

> ratex is a pure-Rust TeX rebuild that compiles documents 10–70× faster than TeX Live via in-memory packages and smart caching.

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Rust Bytes @rustaceans.bsky.social · 18/09/2026

The Mold linker’s rewrite in Rust is now official!

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Rust Bytes @rustaceans.bsky.social · 18/09/2026

Why building a Rust LSP is hard > Building a Rust LSP is hard: it needs useful answers from incomplete code via layered indexing, workspaces and intent guessing.

Image: Why building a Rust LSP is hard

> Building a Rust LSP is hard: it needs useful answers from incomplete code via layered indexing, workspaces and intent guessing.

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Rust Bytes @rustaceans.bsky.social · 18/09/2026

Biome Version 2.5.14 is out! > Biome 2.5.14 latest patch adds several nursery lint rules and fixes bugs in formatting, TypeScript, HTML, Vue, Svelte and plugins.

Image: Biome Version 2.5.14 is out!

> Biome 2.5.14 latest patch adds several nursery lint rules and fixes bugs in formatting, TypeScript, HTML, Vue, Svelte and plugins.

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Rust Bytes @rustaceans.bsky.social · 18/09/2026

Planetscale open-sourced Lead: a deliberately non-production Postgres text-search extension for exercising TIN-compatible application SQL in development, test, CI, and staging environments.

Image: Planetscale open-sourced Lead: a deliberately non-production Postgres text-search extension for exercising TIN-compatible application SQL in development, test, CI, and staging environments.

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Rust Bytes @rustaceans.bsky.social · 17/09/2026

Announcing RustFS 1.0.0 GA: Production-Ready, Open Source, S3-Compatible Object Storage > RustFS 1.0.0 GA now launches as production-ready open-source S3-compatible object storage in Rust with 32k stars and 2.7M worldwide deployments.

Image: Announcing RustFS 1.0.0 GA: Production-Ready, Open Source, S3-Compatible Object Storage

> RustFS 1.0.0 GA now launches as production-ready open-source S3-compatible object storage in Rust with 32k stars and 2.7M worldwide deployments.

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Rust Bytes @rustaceans.bsky.social · 17/09/2026

JUST IN: Be alert: targeted attacks on prominent Rustaceans > Attackers target Rust members via fake job/project video calls to install malware; stay suspicious and secure accounts.

Image: JUST IN: Be alert: targeted attacks on prominent Rustaceans

> Attackers target Rust members via fake job/project video calls to install malware; stay suspicious and secure accounts.

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Rust Bytes @rustaceans.bsky.social · 17/09/2026

Why building a Rust LSP is hard > Building a Rust LSP is hard: it needs useful answers from incomplete code via layered indexing, workspaces and intent guessing.

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Rust Bytes @rustaceans.bsky.social · 17/09/2026

It is year 2028 and Linux has been completely rewritten in Rust.

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