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Kev: Open-source small decision models built on Qwen3.5 released with training code

A developer has released Kev, a family of small decision-making models (0.8B, 4B, and 9B parameters) built on Qwen3.5, inspired by the architecture behind Jev. The models handle yes/no, multiple-choice, and rating questions within a single request and are compatible with TypeSafe's System One API, meaning developers can run Kev locally instead of relying on that hosted service. Full training code, evaluation data, and a web playground are included, and the models run on both CUDA and Apple Silicon hardware.

Laya OS Jev runs offline on Apple M4 via CoreML at 45 decisions per second

A developer has demonstrated Laya, referred to as 'OS Jev', running fully offline on Apple's M4 chip using Apple's CoreML framework. The system reportedly processes 45 decisions per second locally, without needing a cloud connection or internet access.

SEIU security officers strike at major Silicon Valley tech firms over pay

Thousands of unionized security guards contracted through firms like Securitas and Allied Universal have walked off the job at Big Tech campuses in California. The strike follows a member vote earlier this month authorizing action after months of stalled contract negotiations with SEIU-United Service Workers West.

GlobalFoundries expands SiGe chip output for Marvell's optical networking push

GlobalFoundries and Marvell Technology have extended their manufacturing partnership, with GlobalFoundries boosting silicon germanium (SiGe) production capacity at its Burlington, Vermont facility. The multi-year deal targets components used in pluggable optical transceivers, near-packaged optics, and co-packaged optics, technologies that data centers need to move data faster than copper wiring allows.

WIRED to host subscriber livestream on women in tech, Sept. 24

WIRED is hosting a subscriber-only livestream on September 24 examining the state of women in Silicon Valley amid a broader backlash against DEI initiatives. The panel, featuring Sandra Upson, Lauren Goode, and Ej Dickson, will address reader-submitted questions about gender dynamics in tech workplaces. WIRED is soliciting questions via its comment section ahead of the event.

New Vinix OS, built in V language, targets lightweight Mac gaming and daily use

A developer has released Vinix, an open-source operating system written in the V programming language, designed specifically for MacBooks as a leaner alternative to macOS. It runs in roughly 100 MB of RAM and 1 GB of storage, boots quickly, and includes no telemetry or online account requirements. The project is also working toward running Windows-only PC games on Apple Silicon hardware by combining Wine with an x86-to-ARM64 translation layer and an in-progress Apple GPU driver.

Micron unveils 512GB DDR5-9200 RDIMMs for high-core-count servers

Micron has launched its first 512GB DDR5-9200 memory module aimed at high-density servers, allowing systems to reach up to 12TB of total memory. The module uses vertically stacked DRAM dies connected via through-silicon vias, and is currently being validated by AMD and Intel for their upcoming server platforms.

Review outlines advances in single-crystal nanomembrane photonic integration

A compiled reference list surveys recent research on heterogeneously integrating single-crystalline nanomembranes onto photonic and electronic platforms, covering methods like remote epitaxy, van der Waals layer transfer, and atomic lift-off. The cited works span parametric amplifiers, expanded photonic spectra, oxide membrane integration, and applications from infrared detectors to micro-LEDs.

Older M-series MacBooks remain viable buys as macOS 27 drops Intel support

Apple's coming macOS 27 (Golden Gate) update will support MacBook Air and MacBook Pro models with Apple silicon going back to 2020, but it will not run on any Intel-based Mac. Since Apple stopped selling Intel MacBooks in 2021, those machines will only get limited security patches on their last compatible macOS version going forward.

WIRED to host live Uncanny Valley taping on women and power in tech

WIRED is producing a special issue on gender and power in Silicon Valley and will record a live episode of its Uncanny Valley podcast in San Francisco on October 8. The event, co-presented with KQED, features a conversation between former WIRED writer Paulina Borsook and editorial director Katie Drummond, followed by a panel with Brian Barrett, Zoƫ Schiffer and Lauren Goode discussing Goode's search for the most powerful woman in tech.

Mozilla report: Chinese open-weights AI models now trail US frontier models by just 4.4 months

A new State of Open Source AI report from Mozilla, shared with Ars ahead of its September 15 release, finds that top open-weights models from Chinese developers now perform nearly on par with closed frontier models from US firms like Anthropic and OpenAI. It cites Moonshot AI's Kimi K3 scoring only three points below Anthropic's Fable 5 on the Artificial Analysis Intelligence Index, despite costing roughly 30 percent as much to run.

Rik Arends builds 3D flyable visualizer for 2.5M lines of code, plans to sell it

Makepad creator Rik Arends built a 3D navigable tool that renders up to 2.5 million lines of source code at over 120 frames per second, initially requiring 21GB of RAM before optimizations to indexing and streaming compression brought usage down to 3.5GB. He also tested loading Chromium's 51-million-line codebase, which took about 60 seconds.