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Tech News
A developer has published a tutorial on Hacker News that walks through building a large language model from scratch using Node.js and TypeScript. The guide aims to teach the underlying mechanics of LLMs rather than relying on existing Python-based frameworks.
Microsoft released cumulative updates KB5127648 and KB5127646 fixing a bug that broke Always On VPN connections on Windows 11 24H2 and later systems after installing September 2026 security updates. The issue affected devices using automatic protocol selection between IKEv2 and SSTP, causing connections to hang or fail with a port-in-use error when an initial attempt didn't succeed.
At ESUG 2026, a developer presented Pulsar, a new integrated development environment for Pharo built around staying close to the code rather than relying on generative-agent workflows. The presenter released the talk's slides and video online and described Pulsar as usable but still a work in progress, inviting feedback from users.
QuEra has implemented an AI system that automatically restores and fine-tunes laser locks on its quantum computing hardware, a process that previously required on-call human experts, sometimes called in overnight. Built using the Model Hardware Standard developed with Anthropic and HHMI Janelia Research Campus, the AI agent operates within human-set safety limits on roughly $0.7 million of precision equipment, restoring locks within seconds and tuning them to a verifiable quality threshold, including on a second laser wavelength during the same test run.
A Reddit user posted photos showing Japanese retail prices for Nvidia RTX 50-series graphics cards running 5.66% to 41.1% higher than equivalent Amazon US listings, with the RTX 5060 Ti 8GB showing the steepest markup. The comparison, converted at current exchange rates, found RTX 5080 cards averaging a 12.71% premium over US pre-tax prices, with the gap narrowing to under 4% when an 8.5% US sales tax is factored in. Notably, the RTX 5090 was absent from the Japanese listings entirely.
A 32GB DDR5 6000 memory kit, widely used as a benchmark for mainstream PC pricing, now costs $449.97, up from $400 in August. RAM prices overall have risen more than 500% since last year amid an AI-driven component shortage, though cheaper options like a 32GB DDR5 4800 kit remain available at $399.
Apple is testing a new Apple Music app icon in iOS 27.2 beta 4 that replaces the familiar red beamed-eighth-note logo with a black-and-white version, plus an inverted white-on-black variant for dark mode. The redesign also tilts the notes slightly, rounds their shape, adds a subtle drop shadow, and extends to removing red from home-screen widgets and switching the app's internal pink/red tint to blue. It follows an earlier shift to a bolder, lowercase wordmark introduced alongside Apple Music Hall in London.
A Picus Security engineer outlines how agentic pentesting—where AI agents autonomously run reconnaissance, exploitation and reporting steps—has emerged as a faster alternative to scheduled automated pentests, citing Picus's own Swarm product as an example. The piece argues this approach can uncover exploit chains humans might miss, but notes it carries tradeoffs, including heavy token/compute usage, and identifies blind spots that need to be addressed.
Jason Jones, co-creator of Halo and Destiny, wrote a manuscript imagining an AI takeover told through roughly 100 characters across 40 countries. He and author Margaret Stohl built that concept into Stone Kite, a 'worldbuilding studio' with 22 in-house staff and more than 250 outside contributors. The studio has released the first chapter of a four-part graphic novel called One Zero One and is now publishing a chapter from Jones' original manuscript.
Ukrainian developer Valery Kryzhanovsky posted a video applying a leaked build of Nvidia's DLSS 5 to the original 1996 Quake, using ReShade and RenoDX to inject the AI effect as a post-process over DOSBox's rendered frames rather than integrating it into the game engine. The 4x Multipass technique was used to intensify the effect, though Kryzhanovsky and observers note the results look poor. This follows earlier experiments by the same modder applying leaked DLSS 5 to 2D games like Duke Nukem and Pac-Man.
Patagonia has changed its online store so that new and secondhand items appear together in the same shopping experience, rather than in separate resale and retail sections. The update went live as of today, according to the report.
UK design studio Gomi has launched a Childhood Memories Collection made partly from melted-down old Barbie dolls, created in collaboration with Mattel. The recycled plastic gives the speakers and power banks swirly, bright color patterns, and the project began with a public call for unwanted Barbies.