Statement on US government directive to suspend access to Fable 5 and Mythos 5

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The US government has issued a directive to suspend access to Fable 5 and Mythos 5 due to a potential jailbreak method, citing national security concerns. Anthropic is complying with the directive but disagrees with the decision, stating it's a misunderstanding and is working to restore access as soon as possible.

Open source AI must win

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The public risks losing operational freedom if AI access depends on closed institutions and shifting terms. America must maintain freedom to run, inspect, and modify AI infrastructure with global open standards.

We've suspended access to Claude Mythos 5 and Claude Fable 5

Subscribe to Updates This incident affects: claude.ai, Claude API (api.anthropic.com), Claude Code, and Claude Cowork.

Renault: Electric motors with no rare earths

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Renault Group is a pioneer in electric motors without magnets, using electrically excited synchronous motors (EESM) technology. Their range includes 5A, 5AL, 6A, 6AM, and 6AK motors with outputs from 57 to 160 kW.

CRISPR tech selectively shreds cancer cells, including "undruggable" cancers

Researchers at UC Berkeley and UC San Francisco have developed a CRISPR-based approach to selectively destroy cancer cells with a specific mutation in the p53 tumor suppressor gene. This method, called RNA-triggered chromatin shredding, can target "undruggable" cancers and potentially open up new targets for cancer therapy.

Show HN: Putt.day a daily mini golf game

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A daily hole of mini golf. Same hole for everyone, new one at midnight Pacific.

Twenty One Zero-Days in FFmpeg

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Depthfirst's autonomous security agent discovered 21 zero-day vulnerabilities in FFmpeg, including 8 with assigned CVEs, using a specialized security agent that analyzes code and generates concrete, reproducible PoC inputs. The agent found a heap buffer overflow in FFmpeg's AV1 RTP depacketizer that can be triggered by a single 183-byte packet, allowing an attacker to redirect execution and ...

Swift at Apple: Migrating the TrueType hinting interpreter

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Apple rewrote the TrueType hinting interpreter from C to memory-safe Swift to improve security and performance, achieving a 13% speed increase and exact compatibility with the C implementation. The Swift interpreter's design and optimizations, such as using noncopyable structures and Span, demonstrate the language's ability to balance safety, ergonomics, and performance, making it suitable ...

How to setup a local coding agent on macOS

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User upgraded Gemma 4 to MTP, achieving 72.2 tokens/second on an Apple M1 Max. MTP draft model improved performance by 24% with optimal settings found to be 3 draft tokens.

Malware developers added nuclear and biological weapons text to to their spyware

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Malware developers added nuclear and biological text to spyware to evade AI security scanners. This highlights the need for balance between safety and functionality in AI models.
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The House passed H.R. 6028, a bill that would change the US Copyright Office's structure and make it more political. The bill would transfer power from the Library of Congress to the Register of Copyrights, a presidential appointee.

Why a Computer Science Degree Still Opens Hidden Doors

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Recent engineering graduates face a 6.1% unemployment rate, but underemployment is low at below 20%. Engineers rank among the top fields for overall labor market outcomes despite a mismatch between job postings and actual hiring.

Pirates, a naval warfare game inspired by Sid Meier's Pirates

Tectonic: A modernized, complete, self-contained TeX/LaTeX engine

Tectonic is a tool that converts TeX files into PDF files with precision typography and automatic equation handling. It's a self-contained library that can be embedded in other applications and is licensed under the MIT License.

/architect: Reduce Fable tokens by 80%, Fable orchestrates/reviews, Codex builds

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Claude Fable is an architect that designs and judges slices, while GPT-5.5 Codex is a builder and researcher that does engineering and web research in parallel. The system uses flat-rate subscriptions and does not require API keys.

Slightly reducing the sloppiness of AI generated front end

User trying to generate decent-looking programs with AI, found a "Qt style" trick that works for them, and wants feedback on its effectiveness and potential for other styles. They've successfully translated personal software to "Qt style" with AI tools like Codex.
The following information can help our support team to resolve this issue.

As a result of a US Government directive, we are suspending access to Fable 5

US government directive suspends access to Fable 5 due to national security concerns. Existing Fable 5 sessions will end with an error, update integrations to other Claude models.

A key remapping daemon for Linux

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keyd is a system-wide daemon that remaps keys using kernel level input primitives, providing a flexible solution for key remapping. It supports various display servers, including X11, sway, and gnome, and has a simple config format.

"Don't You Just Upload It to ChatGPT?"

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A freelance translator in Ottawa prioritizes work over gym classes due to tight deadlines. She explains to a Director General that AI translation tools like ChatGPT are not a replacement for human translators, requiring constant coaching and double-checking.

Introduction to UEFI HTTP(s) Boot with QEMU/OVMF

The user successfully booted a UEFI HTTP(S) setup using Qemu and OVMF, but encountered issues with certificate validation due to a security level mismatch. The problem was resolved by either upgrading the server's TLS certificate or patching the OVMF firmware to match the default security level.

If you are asking for human attention, demonstrate human effort

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Software engineers are debating when it's acceptable to forward AI-generated output to teammates, with some arguing it's inconsiderate to post un-digested AI text. Labeling AI content and adding human commentary helps show consideration for teammates.

SkillSpector

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Skillspector is a security scanner for AI agent skills that detects vulnerabilities and malicious patterns before installation. It scans skills for 64 vulnerability patterns across 16 categories and provides a risk score, severity, and recommendations.

Most Beautiful Will Ever Made (1936)

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A man named Charles Lounsberry wrote a beautiful will while in a lunatic asylum, leaving children the outdoors, lovers their imaginary world, and adults memories and poetry. His will was published in "The Doonion" and admired for its kindness and beauty.

Launch HN: BitBoard (YC P25) – Analytics Workspace for Agents

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Generate dashboards and analysis in BitBoard using AI chat or coding agents to create connected assets. Store connections, queries, and code for reproducible analysis and collaborate with teams in the browser.

Where Did Earth Get Its Oceans? Maybe It Made Them Itself

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Scientists have found that Earth's water may not have come from comets or asteroids, but rather from the planet's own processes. A new theory suggests that Earth's magma ocean and hydrogen-rich atmosphere could have combined to produce water.

AMD Stiffs Researcher $10k Bug Bounty

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AMD refused a $10,000 bounty for a critical Windows auto-updater vulnerability despite fixing it after four months. The company cited policy exclusions for man-in-the-middle attacks, leaving underlying weaknesses in place.

Adaptive PDFs

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A PDF can store both visual and structured data. By using a specific property in the PDF spec, a document can be created that renders visually the same but extracts clean markdown text when read by machines.

Show HN: Turn your name into a tree in an infinite procedural shanshui landscape

Pan and zoom a procedurally generated infinite landscape. Every name becomes a tree.

Maxproof

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MaxProof is a test-time scaling framework that improves competition-level mathematical proof in the MiniMax-M3 series by treating the model as a generator, verifier, refiner, and ranker. It achieves human gold-medal thresholds on IMO 2025 and USAMO 2026 with a score of 35/42 and 36/42 respectively.