Ubuntu 26.04 Resolute Snapshot 3 Released For Testing

Resolute Snapshot 3 is now available as the newest monthly test candidate leading up the Ubuntu 26.04 LTS release in April.

While Ubuntu 26.04 "Resolute Raccoon" daily ISO snapshots continue, Canonical engineers continue with their monthly "Snapshot" regiment for helping to exercise their build/release automation. Ubuntu 26.04 Snapshot 3 incorporates all of their latest improvements to help in facilitating early testing and feedback on what will become this Long Term Support version of Ubuntu Linux.

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Ubuntu 26.04 LTS Still Committed To Linux 6.20~7.0 Even If Not Finalized For Release Time

Last year Canonical committed to shipping the latest upstream Linux kernel versions in new Ubuntu releases compared to their more conservative choices in prior releases that didn't always align nicely for the latest Linux kernel upstream. Back in December they confirmed Ubuntu 26.04 plans for Linux 6.20~7.0 and their plans remain that way, even if it means the stable Linux 6.20~7.0 stable release won't be officially out quite in time for the initial ISO release.
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RISC-V User-Space Control Flow Integrity / Shadow Stack Appears Finally Ready

Similar to what has been available on Intel and AMD processors for users with the shadow stack for control-flow integrity , Linux on RISC-V is finally ready to roll-out its user-space control-flow integrity support.

After going through 23 rounds of patches , the Control Flow Integrity "CFI" for user-mode on RISC-V is approaching the mainline kernel. This security feature is for fending off ROP attacks manipulating the control flow of the user-space software to gain control. RISC-
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Vulkan 1.4.342 Published With Cooperative Matrix Conversion Extension

Following last week's Vulkan spec updates that brought descriptor heaps and other notable new extensions and the Vulkan Roadmap 2026 Milestone , Vulkan 1.4.342 was published this morning as the latest routine spec update plus one new extension.

Vulkan 1.4.342 brings just a few fixes/clarifications to the existing documentation that aren't too notable but does come with one new extension: VK_QCOM_cooperative_matrix_conversion.

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Intel

AMD EPYC 9755 Delivers Decisive Performance Leadership Over Xeon 6 Granite Rapids With Nearly 500 Benchmarks

Back in December I carried out some fresh benchmarks of the Intel Xeon 6980P vs. AMD EPYC 9755 for these competing 128 core server processors using the latest Linux software stack before closing out 2025. That was done with nearly 200 benchmarks and the AMD EPYC Turin Zen 5 processor delivered terrific performance as we have come to enjoy out of the 5th Gen EPYC line-up over the past year and several months. Since then I have ratcheted up the

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Linux's ublk Adding Batch I/O Dispatch Capability For Greater Performance

Linux's user-space block device driver framework "ublk" for implementing virtual block device drivers in user-space relayed by IO_uring is introducing batch I/O dispatch infrastructure.

This code on the way to the mainline kernel for Linux 7.0 allows for delivering I/O commands to the ublk user-space server in batches. By batching the I/O, there is "significantly" reduced notification overhead by allowing multiple I/O completions within a single uring_cmd.

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Open Source LLM

AerynOS Establishes Policy Against LLM Contributions, 2026.01 ISO Refresh

In kicking off 2026, AerynOS developers have continued to make progress on their build tooling and infrastructure for this Linux distribution formerly known as Serpent OS. They have also been working on a new website design and other updated branding to start the new year.

AerynOS recently established a policy that contributions to the project cannot include content generated by large language models (LLMs) or similar tooling. Due tp ethical concerns, "disproportionate use of electricity and water of building / running them", negative influence on quality,
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Open-Source Nova Driver In Linux 7.0 Continues Preparing For NVIDIA Turing GPU Support

This week the Rust DRM changes intended for the Linux 7.0 merge window were sent out by Danilo Krummrich. The Apple Silicon Asahi Linux "AGX" DRM kernel driver still isn't positioned for upstreaming to the mainline kernel so that leaves most of the Rust DRM upstream work currently around the NVIDIA Nova driver as well as the Arm Mali Tyr drivers.

The open-source NVIDIA Nova driver development continues being worked on by engineers from NVIDIA, Red Hat, and others. It's still a lengthy bring-
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Intel Xe Linux Driver Updated To Disable GuC Power DCC For Panther Lake

Queued up in DRM-Next for the Intel open-source graphics driver ahead of the Linux 7.0 kernel cycle is expanding GPU temperature sensor reporting , multi-device SVM prep , multi-queue support for Crescent Island , Nova Lake display support , and other feature work. With the Linux 6.19 stable release fast approaching, DRM-Next is now focusing in on reading early fixes with concluding feature activity for this next merge window.

Sent out yesterday was the first round of drm-xe-next
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Open Source LLM

Intel Releases LLM-Scaler-vLLM 1.3 With New LLM Model Support

Intel today released the LLM-Scaler-vLLM 1.3 update with expanding the array of large language models that can run on Intel Arc Battlemage graphics cards with this Docker-based stack for deploying vLLM.

The new Intel llm-scaler-vllm 1.3 release via Docker and GitHub adds support for eight new models on capable Intel Arc Graphics hardware: Qwen3-Next-80B-A3B-Instruct, Qwen3-Next-80B-A3B-Thinking, InternVL