Whoops — I'm a bit late again this week. Was really busy yesterday. Given how late I was last week though, there's not all that much anyway. As usual, we acquired some build fixes and development environments from Demi. Some small ones were applied — my favourite is making sure that early kernel logs don't get lost in the development environment[1] — and bigger things like automatically generating file lists for images[2], and build performance improvements[3] are still under discussion. We also continued discussing the udev switch, and I expect to see a new version of that posted soon. [1]: https://spectrum-os.org/git/spectrum/commit/?id=1c471fc4191958dfbffbdb5ad2de... [2]: https://spectrum-os.org/lists/archives/spectrum-devel/20250903-genfiles-v1-0... [3]: https://spectrum-os.org/lists/archives/spectrum-devel/20250919-less-dirname-... [4]: https://spectrum-os.org/lists/archives/spectrum-devel/20250913-udev-v1-0-ead... I spent some time debugging a Rutabaga crash in QEMU. When I submitted a fix, I learned that it had already been fixed a few days prior[5], but I also discovered that Rutabaga has been extracted from crosvm to a standalone project, which I think is fantastic news. They're even adding a proper Meson build (no wrapped Cargo)[6]. Excited to review that. [5]: https://github.com/magma-gpu/rutabaga_gfx/pull/9 [6]: https://github.com/magma-gpu/rutabaga_gfx/pull/13 Just as I've been writing this, Yureka has submitted a new version of the XDP forwarding series[7]. We're aiming to have the XDP forwarder program committed soon, but actually using it will have to wait for the rest of the new network stack, and for a couple of Nixpkgs fixes[8][9], which we also made some progress on this week. [7]: https://spectrum-os.org/lists/archives/spectrum-devel/20250923132012.28013-1... [8]: https://github.com/NixOS/nixpkgs/pull/444996 [9]: https://github.com/NixOS/nixpkgs/pull/436206 I've been working on a couple of talks I'll be giving soon. The first is "Rethinking the compartmentalization experience" at the Qubes OS Summit in Berlin on Friday at 12:30 UTC[10], and the other is "An upstream-first approach to application virtualization" at XDC in Vienna on Tuesday at 08:30 UTC. These are actually the first talks I'll ever have given about Spectrum, because I've historically wanted to avoid publicity until I was confident Spectrum would be able to deliver on its promises. As we're approaching an initial release, this is becoming less of a concern, and by now we've learned a lot that's going to be useful to share regardless. As always, get in touch if you want to chat at either of these events. [10]: https://cfp.3mdeb.com/qubes-os-summit-2025/talk/UPMP38/ [11]: https://indico.freedesktop.org/event/10/contributions/436/