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Bi-Weekly Digest for Rustaceans | rustbytes.com | Amsterdam | buymeacoffee.com/rustbytes

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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
Image: 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
The myth of consensual Rust
Image: The myth of consensual Rust
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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 😎
Image: 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.
Image: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
you vs him
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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?"
Image: "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.
Image: [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
yagni
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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.
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 · 17/09/2026
It is year 2028 and Linux has been completely rewritten in Rust.
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