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+title = "This Month in Rust OSDev: May 2026"
+date = 2026-06-02
+
+[extra]
+month = "May 2026"
+editors = ["phil-opp"]
++++
+
+Welcome to a new issue of _"This Month in Rust OSDev"_. In these posts, we give a regular overview of notable changes in the Rust operating system development ecosystem.
+
+
+
+This series is openly developed [on GitHub](https://github.com/rust-osdev/homepage/). Feel free to open pull requests there with content you would like to see in the next issue. If you find some issues on this page, please report them by [creating an issue](https://github.com/rust-osdev/homepage/issues/new) or using our _comment form_ at the bottom of this page.
+
+Please submit interesting posts and projects for the next issue [on Zulip](https://rust-osdev.zulipchat.com/#narrow/channel/435142-newsletter/topic/Content.20suggestions/with/580172810) or via a PR [on GitHub](https://github.com/rust-osdev/homepage/).
+
+
+Disclaimer: Automated scripts and AI assistance were used for collecting and categorizing links.
+Everything was proofread and checked manually, with many manual tweaks.
+
+
+
+
+
+## Announcements, News, and Blog Posts
+
+Here we collect news, blog posts, etc. related to OS development in Rust.
+
+
+
+- [Rust for Linux Live with Alice Ryhl and Greg Kroah-Hartman](https://corrode.dev/podcast/s06e04-rust4linux/)
+ - A live Rust Week recording about Rust in the Linux kernel, C/Rust interoperability, kernel driver work, and the day-to-day realities of writing kernel code in Rust.
+- [Finding the Time Part 2 - Rust Async and the Arm Generic Timer](https://thejpster.org.uk/blog/blog-2026-05-17/)
+ - Explores implementing async timers for Armv8-R systems using the Arm Generic Timer, interrupts, and Embassy's `embassy-time` driver model.
+- [Building an AsyncIO executor for the 3DS](https://blog.cat-girl.gay/3ds-async-part-one/)
+ - Starts a series on cooperative multitasking for Nintendo 3DS homebrew by building a small Rust executor and connecting async wakeups to platform scheduling constraints.
+- [Rust x GBA: Setup and Pixels](https://jonahnestrick.com/blog/rust-gba-tutorial-1/)
+ - Walks through setting up a nightly Rust project for Game Boy Advance ROM development, including `arm-none-eabi` tooling, Cargo configuration, `core`-only code, and pixel output.
+- [uFerris: A Versatile Learner Board for Rust Embedded Beginners](https://www.theembeddedrustacean.com/uferris)
+ - A new open source learner board and board support crate for embedded Rust exercises across Seeed XIAO-compatible MCUs.
+
+## Infrastructure and Tooling
+
+In this section, we collect recent updates to `rustc`, `cargo`, and other tooling that are relevant to Rust OS development.
+
+
+
+- [Rust 1.96.0](https://blog.rust-lang.org/2026/05/28/Rust-1.96.0/)
+ - Stabilizes new `core::range` types and `core::assert_matches!`/`core::debug_assert_matches!`.
+ - WebAssembly targets now fail on undefined linker symbols by default instead of implicitly treating them as `"env"` imports.
+ - Includes Cargo fixes for [CVE-2026-5223](https://blog.rust-lang.org/2026/05/25/cve-2026-5223/) and CVE-2026-5222 for users of third-party registries.
+- More `std::io` pieces move toward `core::io`
+ - [`Cursor`](https://github.com/rust-lang/rust/pull/156428) and [`std::io::util`](https://github.com/rust-lang/rust/pull/156431) were moved into `core::io`, continuing the effort to make I/O building blocks available in `no_std` contexts.
+- [Proposal to stabilize the `Allocator` trait](https://github.com/rust-lang/rust/pull/156882)
+ - A draft PR that proposes stabilizing the `Allocator` trait together with `Global`, `System`, and the `*_in` constructors (e.g. `Box::new_in`, `Vec::new_in`). This would let kernel and `no_std` code use custom allocators with the standard collections on stable Rust. The design still needs to go through FCP and bake further before it can land.
+- [Cargo `clean -p` now respects `build.target`](https://github.com/rust-lang/cargo/pull/16988)
+ - Makes `cargo clean -p` behave more predictably for projects that set a default cross-compilation target in Cargo configuration.
+- [Promote five Thumb-mode bare-metal Arm targets to Tier 2](https://github.com/rust-lang/compiler-team/issues/985)
+ - A compiler-team proposal entered final comment period to promote additional `thumb*-none-eabi*` bare-metal targets.
+- [Add `-Zdead-fn-elimination`](https://github.com/rust-lang/compiler-team/issues/976)
+ - A compiler-team proposal entered final comment period for a nightly codegen option that skips functions unreachable from exported symbols, which could help size-sensitive bare-metal and freestanding binaries.
+
+## `rust-osdev` Projects
+
+In this section, we give an overview of notable changes to the projects hosted under the [`rust-osdev`](https://github.com/rust-osdev/about) organization.
+
+
+
+### [`acpi`](https://github.com/rust-osdev/acpi)
+Maintained by [@IsaacWoods](https://github.com/IsaacWoods)
+
+The `acpi` repository contains crates for parsing the ACPI tables – data structures that the firmware of modern computers uses to relay information about the hardware to the OS.
+
+We merged the following changes this month:
+
+- [Use `contribute_arg` to handle `NoCurrentOp` at the top-level](https://github.com/rust-osdev/acpi/pull/293)
+- [Logical not only requires one arg](https://github.com/rust-osdev/acpi/pull/295)
+- [Move method context to `do_execute_method`](https://github.com/rust-osdev/acpi/pull/296)
+- [Get referenced-package size - unwrap reference in `do_size_of`](https://github.com/rust-osdev/acpi/pull/288)
+- [Allow BufferField -> Integer conversion](https://github.com/rust-osdev/acpi/pull/286)
+- [Compare strings and buffers like uACPI](https://github.com/rust-osdev/acpi/pull/303)
+- [Update uACPI example tests since some now work](https://github.com/rust-osdev/acpi/pull/299)
+- [Directly test a stream of opcodes](https://github.com/rust-osdev/acpi/pull/298)
+- [Fix regression in implicit casting from integer -> string](https://github.com/rust-osdev/acpi/pull/304)
+
+Thanks to [@martin-hughes](https://github.com/martin-hughes) for their contributions!
+
+
+### [`uefi-rs`](https://github.com/rust-osdev/uefi-rs)
+Maintained by [@GabrielMajeri](https://github.com/GabrielMajeri), [@nicholasbishop](https://github.com/nicholasbishop), and [@phip1611](https://github.com/phip1611)
+
+`uefi` makes it easy to develop Rust software that leverages safe, convenient,
+and performant abstractions for UEFI functionality.
+
+We merged the following PRs this month:
+
+- [Fix connect_controller to take a list for `driver_image`.](https://github.com/rust-osdev/uefi-rs/pull/1939)
+- [AtaPassThru: Make AtaStatusBlock and AtaCommandBlock derive Clone](https://github.com/rust-osdev/uefi-rs/pull/1942)
+- [various updates (nothing major or critical) + bump MSRV from 1.88 to 1.91](https://github.com/rust-osdev/uefi-rs/pull/1953)
+- [uefi: move runtime module to directory](https://github.com/rust-osdev/uefi-rs/pull/1954)
+
+
+
+
+
+
+
+
+Thanks to [@seijikun](https://github.com/seijikun) for their contributions!
+
+
+### [`x86_64`](https://github.com/rust-osdev/x86_64)
+Maintained by [@phil-opp](https://github.com/phil-opp), [@josephlr](https://github.com/orgs/rust-osdev/people/josephlr), and [@Freax13](https://github.com/orgs/rust-osdev/people/Freax13)
+
+The `x86_64` crate provides various abstractions for `x86_64` systems, including wrappers for CPU instructions, access to processor-specific registers, and abstraction types for architecture-specific structures such as page tables and descriptor tables.
+
+We merged the following PR this month:
+
+- [implement DoubleEndedIterator for ranges + implement more iterator methods](https://github.com/rust-osdev/x86_64/pull/589)
+
+## Other Projects
+
+In this section, we describe updates to Rust OS projects that are not directly related to the `rust-osdev` organization. Feel free to [create a pull request](https://github.com/rust-osdev/homepage/pulls) with the updates of your OS project for the next post.
+
+
+
+### [`phil-opp/blog_os`](https://github.com/phil-opp/blog_os)
+(Section written by [@phil-opp](https://github.com/phil-opp))
+
+We merged the following changes to the [_Writing an OS in Rust_](https://os.phil-opp.com/) blog this month:
+
+- [fix: lazy_static is not needed, keyboard methods are const, ](https://github.com/phil-opp/blog_os/pull/1477)
+- [[Translation] Translated post 8 and 9 into Russian](https://github.com/phil-opp/blog_os/pull/1480)
+- [Adding Turkish translations of blog posts](https://github.com/phil-opp/blog_os/pull/1481)
+- [Adjust blog for PR #1477](https://github.com/phil-opp/blog_os/pull/1482)
+
+Thanks to [@harsh-98](https://github.com/harsh-98), [@TakiMoysha](https://github.com/TakiMoysha), and [@rhotav](https://github.com/rhotav) for their contributions!
+
+
+
+
+
+
+## Join Us?
+
+Are you interested in Rust-based operating system development? Our `rust-osdev` organization is always open to new members and new projects. Just let us know if you want to join! A good way to get in touch is our [Zulip chat](https://rust-osdev.zulipchat.com).