pub ThisWeekInRust {}

Crate of the week: literator This week's crate is literator, a crate for efficiently displaying the items of an iterator without temporary allocations.

Updates from Rust Community Official Call for testing: Restricting trait implementability and field mutability blog.rust-lang.org Foundation Rust Team Health Summit: September 8 in Montréal rustfoundation.org Catching Up with the Rust Content Team: RustWeek Interviews and a New Changelog Series rustfoundation.org Newsletters This Month in Rust OSDev: July 2026 rust-osdev.com Project/Tooling Updates Bevy's Sixth Birthday bevy.org fearless_simd v0.7: 64-bit integers, improved generics, SSE2, and upcoming v1.0 linebender.org vairedb 0.1.0 - Cloud Native Distributed Analytical Database matteobovetti/vairedb/releases/tag/v0.1.0 OXVG 0.0.7: introducing an SVG-to-JSX transformer to the OXVG toolchain noahbald/oxvg/releases/tag/v0.0.7 HTML, JavaScript, CSS should have died long ago dev.to Even more formal verification for BPF lwn.net kache 0.14.0: debuggable restores and cross-clone convergence kunobi-ninja/kache/releases/tag/v0.14.0 kobe 0.39.0: hardening the cluster-lease lifecycle kunobi-ninja/kobe/releases/tag/v0.39.0 renew 0.1.1: a deterministic, code-first game engine renew-engine/renew/releases/tag/v0.1.1 GRIT 1.1: type-check your quantized tensors singhpratech.github.io floDl: Introducing AMD GPU support flodl.dev git-cache-proxy: read-only cache for git rolandsdev.blog Observations/Thoughts A Vision for Cargo epage.github.io Cylic trait implementations: motivation smallcultfollowing.com Rust SIMD on the GPU www.vectorware.com Rewriting in Rust: Performance, Failures, 2026 Reality Check blog.jetbrains.com RangeFrom, Part 1..: History and background erk.dev Typed Conversations: Make Illegal Agent Dialogues Unrepresentable dmitrii.app ECQV: implicit certificates, and why I kept them out of the project that motivated them Abdk4Moura.github.io TLS Handshakes: Measuring the Performance of 4 Cryptography Libraries c410-f3r.github.io Building scalable backend services with Rust and PostgreSQL kerkour.com PoC for universal hardware-in-the-loop HAL test suite — Tweede golf tweedegolf.nl [video] FLOSS 878 - A Tool With Opinions www.youtube.com Rust Walkthroughs Downcasting Arcs in Rust ashdnazg.github.io Profiling Rust with hotpath-rs: The Complete Guide - From SQL Queries to CPU Sampling hotpath.rs A chip-agnostic architecture for bare-metal embedded Rust aaronqian.com Research Rust Coreutils: Rebuilding Unix Foundations in a Modern Language arxiv.org

Updates from core check the fallback map before queueing child in visible_parent_map breadth-first search rust-lang/rust/pull/160464 enable polonius alpha on nightly rust-lang/rust/pull/159343 improve canonical_param_env_cache rust-lang/rust/pull/160673 interpret: skip deref-projection validity checks when they are not needed rust-lang/rust/pull/160399 optimize crate resolution for large workspace rust-lang/rust/pull/159763 optimize handling of solver errors rust-lang/rust/pull/160160 optimize try_evaluate_obligations rust-lang/rust/pull/160479 perf: cache already-checked types in the privacy visitor rust-lang/rust/pull/160317 perf: lock-free root fast paths for hygiene queries rust-lang/rust/pull/160494 perf: skip irrelevant foreign impls when building the specialization graph rust-lang/rust/pull/157281 perf: store the fulfillment engine inline in ObligationCtxt rust-lang/rust/pull/160268 shallow resolve ty and const vars to their root vars, attempt 2 rust-lang/rust/pull/158447 speed up EverInitializedPlaces rust-lang/rust/pull/160033 split apply_primary_terminator_effect rust-lang/rust/pull/160555 stabilize c_variadic_naked_functions rust-lang/rust/pull/159746

This week in Rust #664 — 12 aug 2026 https://this-week-in-rust.org/blog/2026/08/12/this-week-in-rust-664/

Crate of the week: index_type This week's crate is index_type, a crate for providing strongly typed indices for collections.

Updates from Rust Community Official Enabling the next iteration of the borrow checker on nightly blog.rust-lang.org Funding team progress update blog.rust-lang.org rust-lang/rust is adopting an LLM policy blog.rust-lang.org All Hands 2026 retrospective blog.rust-lang.org Newsletters The Embedded Rustacean Issue #77 www.theembeddedrustacean.com Project/Tooling Updates Kevat 0.4.0 — fast, resumable copy and move to external drives, now with a GUI on all three platforms kevat.app/ kache 0.13.0: keying the env vars proc-macros read kunobi-ninja/kache/releases/tag/v0.13.0 kobe 101: lease a Kubernetes cluster, don't create one kunobi.ninja Rewriting FalkorDB in Rust: Make It Work, Make It Stable www.falkordb.com Announcing webrtc v0.20.0: Async-Friendly, Runtime-Agnostic WebRTC on Sans-I/O Core rtc webrtc.rs Proxelar 0.5.0: sessions, rules, and more ways to capture traffic micheletti.io mirador 1.0.0: a personal terminal dashboard jchultarsky/mirador/releases/tag/v1.0.0 BitFun 0.2.15: an open-source desktop AI agent built on a Rust runtime GCWing/BitFun/releases/tag/v0.2.15 mvis v0.5.0: CI/CD Profiling & Allocation Histograms dev.to multicalc 0.9.0: scientific computation for embedded and robotics systems kmolan/multicalc-rust/releases/tag/v0.9.0 Auto-correcting wrong-layout typing on Wayland is nearly impossible. We did it anyway poltertype.com wimux 0.1.0: a native Windows terminal multiplexer fabperso/wimux/releases/tag/v0.1.0 amtr: a btop-style context-window monitor for Claude Code sessions, and the forensic autopsy of its own 153-hour build arian-shamaei/anthropometer/tree/main/docs/autopsy RSigma v0.20.0 release timescale/rsigma/releases/tag/v0.20.0 The State of RSigma, and Part Two: The Loop mostafa.dev Observations/Thoughts How Firecracker microVMs work under the hood to sandbox untrusted code and AI agents kerkour.com Faster floating point math with Rust’s new API pythonspeed.com Rust MEMS drivers: 3 reasons to try and adopt our new sensor driver blog.st.com The Bedrock of Software Design | Alex Fedoseev alex.draftist.io Tail-Call Interpreters in Rust lordgoati.us How to speed up the Rust compiler in July 2026 nnethercote.github.io Sovereign Tech Fellowship for Rust maintenance (June-July 2026 report) kobzol.github.io An old-new take on argument parsing in Rust jmmv.dev Stateless Servers, Stateful Payloads: Sessions vs Continuations, Measured in Rust dmitrii.app [video] Rust in the age of Generative AI with Niko, Allen & Zeeshan www.youtube.com [audio] Rust in Production S06 E09: JetBrains with Orhun Parmaksız corrode.dev Work-Stealing vs. Executor-Per-Thread: Evaluating different HTTP server workloads with Tokio, Smol and Glommio c410-f3r.github.io Your #[target_feature(enable = "avx2")] does nothing on x86_64-unknown-uefi Aefinity-AI/alice-aegis/blob/main/docs/posts/2026-08-05_uefi-soft-float-deletes-your-avx2.md Three bugs my AI agents couldn't fix dev.to Rust Walkthroughs Blinking an LED on STM32 Blue Pill (STM32F103C8T6) with Embedded Rust blog.implrust.com Branchless Rust: Making a Filter 4x Faster by Removing an if www.greyblake.com Why modern font metrics cannot reproduce Word pagination oxi-dd65f4.gitlab.io Building hooklog on a six-day-old framework JuanMarchetto/hooklog/blob/main/ARTICLE.md

Updates from core improve CFG traversal rust-lang/rust/pull/160193 perf: avoid a heap allocation per basic block in MoveData's location maps rust-lang/rust/pull/160245 stabilize passing 128-bit integers via vector registers with asm! on x86 rust-lang/rust/pull/159525

This week in Rust #663 — 05 aug 2026 https://this-week-in-rust.org/blog/2026/08/05/this-week-in-rust-663/

Crate of the week: cargo-efmt This week's crate is cargo-efmt, a drop-in replacement for cargo fmt to support .editorconfig.

Updates from Rust Community Newsletters Scientific Computing in Rust #20 (July 2026) scientificcomputing.rs Project/Tooling Updates afrim 0.7.0: a generic input method framework fodydev/afrim/releases/tag/v0.7.0 Sharing Rust build work across Cargo worktrees with cargo-reapi TamedTornado/cargo-reapi/blob/main/docs/introducing-cargo-reapi.md exiftool-rs 0.7.0: localizing ExifTool's PrintConv values, not just its labels Le-Syl21/exiftool-rs/releases/tag/v0.7.0 Announcing SeaORM 2.0 www.sea-ql.org kobe 0.37.0: easier to deploy and install kunobi-ninja/kobe/releases/tag/v0.37.0 kache 0.12.0: pluggable remotes, smarter GC, sharper diagnostics kunobi-ninja/kache/releases/tag/v0.12.0 Progress toward compiling Linux with gccrs lwn.net flodl 0.7.0: one dashboard view, repeated at every level flodl.dev samkhya 1.2.1 — the join-cardinality ceiling becomes provable singhpratech/samkhya/releases/tag/v1.2.1 BrewFS: a Rust and JuiceFS-like distributed filesystem brewfs.ai Observations/Thoughts Improving std::simd::swizzle_dyn shnatsel.github.io Query cycles: A compiler murder mystery ferrous-systems.com GDPatch: a versatile Godot mod loader notnite.com Memory Safety Absolutists itsallaboutthebit.com C++ to Rust Migration blog.jetbrains.com High-Performance Flat 2D Arrays in Rust with SIMD, L1 Cache developerlife.com Building Java–Rust Microservices with TeaQL: Models, Events, and Audit Intent teaql.io How We Cut a Trading Bot's Reaction Time from ~2 Seconds to Milliseconds — by Moving Only the Hot Path to Rust www.99francs.agency ESP32 Server: Distributing HTTP/2 streams over TLS c410-f3r.github.io [video] Rust Berlin Talks · 23/07/2026 www.youtube.com Rust Walkthroughs No Tokens Yet Does Not Mean a Rust LLM Stream Is Safe to Retry ai-router.hashnode.dev [series] Rama 101.2: Core Concepts plabayo.tech [video] [series] What's Inside Axum? www.youtube.com

Updates from core apply RemoveNoopLandingPads post-monomorphization rust-lang/rust/pull/143208 closures inherit #[optimize] from the enclosing function by default rust-lang/rust/pull/158901 fix bool calling convention for aarch64, etc rust-lang/rust/pull/159317 optimize escape_string_symbol() rust-lang/rust/pull/159609 proc_macro: Fix cfg_attr inner attrs in file modules rust-lang/rust/pull/159695 resolve: more preperation work for parallelizing the import resolution loop rust-lang/rust/pull/159440 stabilize c-variadic function definitions rust-lang/rust/pull/155697

This week in Rust #662 — 29 jul 2026 https://this-week-in-rust.org/blog/2026/07/29/this-week-in-rust-662/

Crate of the week: xan This week's crate is xan, a TUI toolkit to work with CSV files.

Updates from Rust Community Official Announcing Rust 1.97.1 blog.rust-lang.org Newsletters The Embedded Rustacean Issue #76 www.theembeddedrustacean.com Project/Tooling Updates Announcing Topcoat: a framework for building full-stack reactive web apps with Rust tokio.rs Syn 3.0.0 dtolnay/syn/releases/tag/3.0.0 What’s New in RustRover 2026.2 blog.jetbrains.com kobe 0.35.0: readiness gates and cert recycling kunobi-ninja/kobe/releases/tag/v0.35.0 Comhad v0.1.0: a ranger-style tui cyberduck replacement for browsing S3 Eoin-McMahon/comhad/releases/tag/v0.1.0 Nova v0.2.1: computer-use MCP server bigduu/Nova/releases/tag/v0.2.1 winit now has comprehensive cross-platform drag-and-drop support, exposing most of the power of the underlying OS APIs rust-windowing/winit/pull/4571 crimson-crab v0.1.0 - a production-grade Rust SDK for the Claude API (streaming, tool use, prompt caching, batches) singhpratech/crimson-crab/releases/tag/v0.1.0 ferrovec: dependency-light HNSW vector search in Rust, compiled to WebAssembly for private in-browser semantic search singhpratech.github.io OrdoFP 0.1.0 released — a functional-programming toolbelt for Rust (HList, GAT type classes, optics, effects, monad transformers) ordokr/ordofp/releases/tag/v0.1.0 Freya 0.4 freyaui.dev buildline: merging cargo and ninja's build profiling into one timeline dev.to cochlea 0.3.0: melody read-back, MFCC timbre, a master limiter, and MIDI import for the deterministic agent-audio engine richer-richard.github.io flodl 0.6.0: multi-host heterogeneous DDP - mismatched GPUs across hosts beat the fastest card alone flodl.dev hwatu: a daemon-based WebKitGTK browser for tiling WMs with ~13ms window spawn hongnoul.github.io kache 0.11.0: broader compiler coverage and libc-aware keys kunobi-ninja/kache/releases/tag/v0.11.0 tracing-reload - reload layer without panics mladedav.github.io Introducing OpenTypeless: Voice Input That Actually Works www.opentypeless.com Reading a Rust crate's capabilities out of its compiled symbols dev.to Observations/Thoughts Battery packs: Let's talk about crates, baby smallcultfollowing.com Capture Clauses as Effects blog.yoshuawuyts.com Hardening Rust Code For Production corrode.dev Tokio Gives Progress, Not Ordering: Scheduling 1M Tasks pranitha.dev Rust service hardening and production checklist kerkour.com [audio] The Rust Foundation with Rebecca Rumbul, Lori Lorusso, and David Wood, Rust Foundation leadership and board corrode.dev [video] Jon Gjengset: Open Source Maintenance 2026-07-18 www.youtube.com [video] Rust Release Changelog - 1.97.0 www.youtube.com [video] Livestream: Rust in Ubuntu www.youtube.com Rust Walkthroughs I hash-chained my agent's audit log. Then I found 13 breaks in it — all mine, all benign. kriyanative.com Two tricky bugs in a Rust daemon dev.to [video] Backend Concepts in Rust: Securely Managing App Secrets www.youtube.com [video] Build with Naz - Ep 21: High Performance Flat 2D Arrays in Rust (SIMD, L1 cache) www.youtube.com

Updates from core account for async closures when pointing at lifetime in return type rust-lang/rust/pull/159256 comptime inherent impls rust-lang/rust/pull/157824 dep_graph: deduplicate task reads with an epoch-filtered index recorder rust-lang/rust/pull/159115 eagerly check for ambiguity in macro parsing rust-lang/rust/pull/158976 implement #[diagnostic::opaque] attribute to hide backtraces of macros rust-lang/rust/pull/158608 shrink ast::Expr64 rust-lang/rust/pull/158720

This week in Rust #661 — 22 jul 2026 https://this-week-in-rust.org/blog/2026/07/22/this-week-in-rust-661/

Crate of the week: dashu This week's crate is dashu, a pure Rust set of libraries of arbitrary precision numbers.

Updates from Rust Community Official Announcing Rust 1.97.0 blog.rust-lang.org crates.io: development update blog.rust-lang.org Project/Tooling Updates Rewriting Bun in Rust bun.com Announcing BullMQ for Rust bullmq.io prost-protovalidate 0.6 — buf.validate (protovalidate) for prost and buffa: compile-time codegen + runtime CEL, 2872/2872 conformance zs-dima/prost-protovalidate/releases/tag/v0.6.0 plaza 1.0: a ratatui package-manager TUI that searches pacman, the AUR, apt, dnf, and Flatpak at once StaszeKrk/plaza/releases/tag/v1.0.0 Danube v0.15.1: native Apache Iceberg integration for streaming-to-lakehouse export danube-messaging/danube/releases/tag/v0.15.1 Guardian Sentinel. The Terminal User Interface for Guardian Decentralized Database - P2P www.willsearch.com.br kobe 0.33.0: a Rust operator for instant CI Kubernetes clusters kunobi-ninja/kobe/releases/tag/v0.33.0 Elara Mesh: what the black box for AI agents actually does navigatorbuilds.github.io kache 0.10.0: instant download dedup, no more polling kunobi-ninja/kache/releases/tag/v0.10.0 kache 0.10.0: instant download dedup, no more polling kunobi-ninja/kache/releases/tag/v0.10.0 cochlea 0.1.0: a headless, deterministic audio engine for AI agents richer-richard.github.io cochlea 0.1.0: a headless, deterministic audio engine for AI agents richer-richard.github.io Observations/Thoughts Open Source Security Podcast: Rust Foundation Maintainers Fund with Lori and Niko opensourcesecurity.io Moving a Rust WebRTC SFU to thread-per-core pulsebeam.dev Faster Rust tests in CI with parallel steps abundance.build [video] The Only Diagram You Need to Understand Rust Ownership www.youtube.com We compiled our TypeScript parser to WASM encore.dev Understanding the Rust hype for the busy developer kerkour.com I red-teamed my own LLM security gateway (Rust) in four passes — every detection gap and how I closed it dev.to Rust Walkthroughs [video] Backend Concepts in Rust: HTTP Servers www.youtube.com Fearless Embedded Rust: A FPV Lego car dystroy.org What I learned building a self-corrupting file format in Rust www.aravpanwar.com Come Async You Are corentin-core.github.io Miscellaneous Oxidize XIAO — An Embedded Rust Community Program blog.theembeddedrustacean.com

Updates from core inline some Symbol functions rust-lang/rust/pull/158931 predicate/clause cleanups rust-lang/rust/pull/157104 remove some AST tokens fields rust-lang/rust/pull/158942 resolver: wrap arenas in WorkerLocal rust-lang/rust/pull/159019 rework read deduplication with pooled read recorders rust-lang/rust/pull/158794 shrink mir::Statement to 40 bytes rust-lang/rust/pull/159012 shrink no-op drop elaboration rust-lang/rust/pull/157491 specialize common (1, 1) case for arg unification rust-lang/rust/pull/158865 use SmallVec for return places in MIR rust-lang/rust/pull/158842

This week in Rust #660 — 15 jul 2026 https://this-week-in-rust.org/blog/2026/07/15/this-week-in-rust-660/