This Month in Rust OSDev: December 2025

content/this-month/2025-12/index.md

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+title = "This Month in Rust OSDev: December 2025"
+date = 2026-01-06
+
+[extra]
+month = "December 2025"
+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.
+
+<!-- more -->
+
+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 <a href="#comment-form">_comment form_</a> at the bottom of this page.
+
+<!--
+    This is a draft for the upcoming "This Month in Rust OSDev (December 2025)" post.
+    Feel free to create pull requests against the `next` branch to add your
+    content here.
+    Please take a look at the past posts on https://rust-osdev.com/ to see the
+    general structure of these posts.
+-->
+
+## Announcements, News, and Blog Posts
+
+Here we collect news, blog posts, etc. related to OS development in Rust.
+
+<!--
+Please follow this template:
+
+- [Title](https://example.com)
+  - (optional) Some additional context
+-->
+
+- [Xous: A Pure-Rust Rethink of the Embedded Operating System](https://media.ccc.de/v/39c3-xous-a-pure-rust-rethink-of-the-embedded-operating-system)
+  - Homepage: <https://xous.dev/>
+  - Repo: <https://github.com/betrusted-io/xous-core>
+- [Announcing Asterinas 0.17.0](https://asterinas.github.io/2025/12/19/announcing-asterinas-0.17.0.html)
+- [The state of the kernel Rust experiment](https://lwn.net/SubscriberLink/1050174/6b6d55c90ce1100f/)
+- [ratatui v0.30 released with `no-std` support](https://ratatui.rs/highlights/v030/#no_std-support)
+
+## Infrastructure and Tooling
+
+In this section, we collect recent updates to `rustc`, `cargo`, and other tooling that are relevant to Rust OS development.
+
+<!--
+    Please use the following template:
+
+- [Title](https://example.com)
+  - (optional) Some additional context
+-->
+
+<span class="gray">No content was submitted for this section this month.</span>
+
+
+## `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.
+
+<!--
+    Please use the following template:
+
+    ### [`repo_name`](https://github.com/rust-osdev/repo_name)
+    <span class="maintainers">Maintained by [@maintainer_1](https://github.com/maintainer_1)</span>
+
+    The `repo_name` crate ...<<short introduction>>...
+
+    We merged the following changes this month:
+    <<changelog, either in list or text form>>
+-->
+
+### [`bootloader`](https://github.com/rust-osdev/bootloader)
+<span class="maintainers">Maintained by [@phil-opp](https://github.com/phil-opp) and [@Freax13](https://github.com/orgs/rust-osdev/people/Freax13)</span>
+
+The `bootloader` crate implements a custom Rust-based bootloader for easy loading of 64-bit ELF executables. This month, we merged the following changes:
+
+- [fix buffer overflow in `DiskAccess::read_exact_into`](https://github.com/rust-osdev/bootloader/pull/524)
+- [Code changes to update to 2024 edition](https://github.com/rust-osdev/bootloader/pull/526)
+- [fix: some typo](https://github.com/rust-osdev/bootloader/pull/527)
+- [Fix create-disk-image links](https://github.com/rust-osdev/bootloader/pull/528)
+
+Thanks to [@spencer3035](https://github.com/spencer3035), [@Taxrosdev](https://github.com/Taxrosdev), and [@oxyzenQ](https://github.com/oxyzenQ) for their contributions!
+
+
+
+### [`ovmf-prebuilt`](https://github.com/rust-osdev/ovmf-prebuilt)
+<span class="maintainers">Maintained by [@nicholasbishop](https://github.com/nicholasbishop) and [@phil-opp](https://github.com/phil-opp)</span>
+
+The `ovmf-prebuilt` project provides pre-built [edk2](https://github.com/tianocore/edk2) releases to make it easier to set up OVMF. We merged the following improvement this month:
+
+
+- [release: 0.2.5](https://github.com/rust-osdev/ovmf-prebuilt/pull/240)
+- [build-edk2: Install python3-dev](https://github.com/rust-osdev/ovmf-prebuilt/pull/247)
+- [Upgrade loongarch64 toolchain](https://github.com/rust-osdev/ovmf-prebuilt/pull/248)
+- [build-edk2: Drop IA32 support](https://github.com/rust-osdev/ovmf-prebuilt/pull/249)
+- [build-edk2: Update aarch64 install path](https://github.com/rust-osdev/ovmf-prebuilt/pull/250)
+- [Update readme to note ia32 is only available in older releases](https://github.com/rust-osdev/ovmf-prebuilt/pull/251)
+- [release: 0.2.6 with edk2-stable202511-r1](https://github.com/rust-osdev/ovmf-prebuilt/pull/252)
+- [ovmf-prebuilt: Add release availability info to Arch docstring](https://github.com/rust-osdev/ovmf-prebuilt/pull/253)
+
+<!-- - [chore(deps): lock file maintenance](https://github.com/rust-osdev/ovmf-prebuilt/pull/237) -->
+<!-- - [chore(deps): lock file maintenance](https://github.com/rust-osdev/ovmf-prebuilt/pull/238) -->
+<!-- - [build(deps): get rid of unnecessary flate2 dependency](https://github.com/rust-osdev/ovmf-prebuilt/pull/239) -->
+<!-- - [chore(deps): update actions/checkout action to v6](https://github.com/rust-osdev/ovmf-prebuilt/pull/233) -->
+<!-- - [chore(deps): lock file maintenance](https://github.com/rust-osdev/ovmf-prebuilt/pull/241) -->
+<!-- - [chore(deps): lock file maintenance](https://github.com/rust-osdev/ovmf-prebuilt/pull/242) -->
+<!-- - [chore(deps): lock file maintenance](https://github.com/rust-osdev/ovmf-prebuilt/pull/243) -->
+<!-- - [chore(deps): lock file maintenance](https://github.com/rust-osdev/ovmf-prebuilt/pull/255) -->
+
+Thanks to [@fogti](https://github.com/fogti) for their contribution!
+
+
+### [`uefi-rs`](https://github.com/rust-osdev/uefi-rs)
+<span class="maintainers">Maintained by [@GabrielMajeri](https://github.com/GabrielMajeri), [@nicholasbishop](https://github.com/nicholasbishop), and [@phip1611](https://github.com/phip1611)</span>
+
+`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:
+
+- [Change SimpleNetwork::wait_for_packet to return `Option<Event>`](https://github.com/rust-osdev/uefi-rs/pull/1836)
+- [Implement BlockIO2](https://github.com/rust-osdev/uefi-rs/pull/1841)
+- [uefi: Refactor PciRootBridgeIo::enumerate() with tree-topology information](https://github.com/rust-osdev/uefi-rs/pull/1830)
+- [uefi: http: fix integration test](https://github.com/rust-osdev/uefi-rs/pull/1850)
+
+<!-- - [chore(deps): update crate-ci/typos action to v1.40.0](https://github.com/rust-osdev/uefi-rs/pull/1837) -->
+<!-- - [chore(deps): lock file maintenance](https://github.com/rust-osdev/uefi-rs/pull/1838) -->
+<!-- - [chore(deps): lock file maintenance](https://github.com/rust-osdev/uefi-rs/pull/1844) -->
+<!-- - [chore(deps): lock file maintenance](https://github.com/rust-osdev/uefi-rs/pull/1849) -->
+<!-- - [chore(deps): lock file maintenance](https://github.com/rust-osdev/uefi-rs/pull/1853) -->
+
+Thanks to [@seijikun](https://github.com/seijikun) and [@Virv12](https://github.com/Virv12) for their contributions!
+
+
+
+## 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.
+
+<!--
+    Please use the following template:
+
+    ### [`owner_name/repo_name`](https://github.com/rust-osdev/owner_name/repo_name)
+    <span class="maintainers">(Section written by [@your_github_name](https://github.com/your_github_name))</span>
+
+    ...<<your project updates>>...
+-->
+
+
+<span class="gray">No projects updates were submitted this month.</span>
+
+
+
+## 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 for getting in touch is our [Zulip chat](https://rust-osdev.zulipchat.com).