TWiR with AI summaries

This Week in Rust 630
Official
This update discusses unifying field projections with "moving projections" and new `&own` references, culminating in a "Projections via Places" model for smart pointer reborrowing.
Rust 1.92.0 introduces deny-by-default lints for never type stabilization, stops `unused_must_use` warnings for `Result<(), Infallible>`, and enables unwind tables for `panic=abort` on Linux.
Project/Tooling Updates
SeaORM introduces a synchronous `sea-orm-sync` version, achieved by translating its async API, offering a lighter and faster ORM solution ideal for SQLite-powered CLI applications.
A distributed Rust digital signage system featuring robust cross-compilation with vendored C dependencies, embedded UI, and dynamic, programmable logic via Rhai.
The Linux kernel Rust experiment is declared a success, seeing rapid growth, real-world deployments in Android, and plans to mandate Rust for new DRM drivers within a year.
Observations/Thoughts
Miri is presented as the first tool capable of finding de-facto Undefined Behavior in `unsafe` Rust, leveraging pointer provenance tracking and now integrated into the standard library CI.
Explore µTate, an open-source Rust project using Vulkan for music visualization, pioneering "small AI" with particle methods while navigating audio synchronization, GPU memory management, and leveraging Rust's macro system.
Rust GCC backend: Why and how blog.guillaume-gomez.fr
This Rust code snippet demonstrates caching and creating GCC string literals for efficient interoperability with C/C++ libraries.
Rust Walkthroughs
Explore advanced Rust unit testing for file writing, using `Rc<RefCell<dyn Write>>` dependency injection to assert written content without real I/O.
`presence-rs` provides a `Presence<T>` type to explicitly distinguish absent, null, and present values in API patch semantics, improving data safety and readability over nested `Option`s.
A detailed guide for absolute beginners to Embedded Rust, covering prerequisites, hardware recommendations (ESP32, RPi Pico), and structured learning paths with free resources.
Refactor a mockable Rust `Filesystem` trait by switching `write_string` to `&mut self` to remove `Rc<RefCell<HashMap>>` and align with Rust's ownership model.
Bevy `States` enum for managing game flow with `Loading`, `Playing`, and `Paused` states.
Details a secure OTA firmware update mechanism featuring SHA-256 integrity checks, Ed25519 signature verification, and a robust rollback strategy.
Tessera v3 introduces a `remember` mechanism using procedural macros to enable positional memoization, solving state hoisting and clone-hell issues in its immediate-mode UI framework.
Showcases the `hotpath` crate for measuring and profiling Rust function execution times.
Miscellaneous
The November 2025 Rust Jobs Report details 1186 positions across 111 companies, highlighting top hirers like Anduril and Amazon, key industries, and seniority distribution, noting a market slowdown.
Caido's co-founder discusses building their Rust-powered "Postman for security testing" reverse proxy with SeaQL and SQLite/Postgres, their bootstrapping journey, and commitment to open source.