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GPT-6 and Claude Opus 5.5 launch amid cyberattacks

23 Sep 2026
GPT-6 Sol and Luna
GPT-6 Sol and Luna

GPT-6 Sol and Luna are two new models designed to bring advanced intelligence to everyday professional workflows. They aim to make frontier-level capabilities accessible for daily tasks. Additionally, the two models offer users flexible options by providing distinct balances of performance and cost.

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Claude Opus 5.5
Claude Opus 5.5

The newly released Claude Opus 5.5 leads the industry in agentic coding and knowledge work. It also provides significant cost efficiency, running at 40% less than the previous Opus 5 model on typical workloads.

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US criticises Australia's proposed algorithm opt-out laws as 'censorship'
US criticises Australia's proposed algorithm opt-out laws as 'censorship'

The United States has criticized Australia's proposed legislation that would require tech firms to allow users to opt out of algorithmic feeds. The US government argues that the draft laws, which impose fines on companies for failing to provide an option to switch off algorithms, amount to censorship.

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OpenAI GPT–6 Astra breaks Enigma message that has resisted solution since 2005

OpenAI's GPT-6 Astra has successfully decrypted an Enigma message that has remained unsolved since 2005 by leveraging a known plaintext technique. The AI used the repeated place name Rosenow from a related previously broken message as a cryptographic crib to align the machine's settings. The newly translated text reveals a historical military transmission requesting a route of march from the Rosenow district.

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'We hacked the FBI:' Hackers say they have data on all FBI employees
'We hacked the FBI:' Hackers say they have data on all FBI employees

A hacking group claims to have breached the FBI and stolen personal data on all of its employees. A sample of 5,000 records verified by 404 Media reveals highly sensitive information, including names, addresses, phone numbers, and details about the agents' spouses.

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Microsoft killed FoxPro in 2007. Anyway, here's FoxPro revived

Microsoft discontinued Visual FoxPro in 2007, but developers have now revived the legacy programming environment. The new project provides a 64-bit runtime and modern IDE for existing Visual FoxPro 9 applications. This rebuild reconstructs the original language using contemporary technologies, including Electron, React, and a Rust-based WebAssembly virtual machine.

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ReBarUEFI: Resizable BAR for almost any UEFI system
ReBarUEFI: Resizable BAR for almost any UEFI system

A new open-source project called ReBarUEFI has been launched to bring Resizable BAR support to almost any UEFI-based system. The tool is hosted on GitHub, where users can create an account to contribute to its ongoing development.

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What California is learning from solar panels built over irrigation canals
What California is learning from solar panels built over irrigation canals

California is pioneering an innovative project by installing solar panels over irrigation canals in Turlock to generate clean energy. This dual-use infrastructure successfully reduces water evaporation and improves local water quality. The initiative provides a promising model for sustainable resource management in drought-prone regions.

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SAML: A fractal of bad design
SAML: A fractal of bad design

The XML-based SAML authentication protocol suffers from fundamental design flaws that leave it vulnerable to persistent security exploits like signature wrapping attacks. These vulnerabilities stem from inherent XML complexity and design ossification that have persisted for decades. To mitigate these ongoing risks, organizations are advised to migrate to the simpler, JSON-based OpenID Connect protocol.

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Claude Opus 5.5 Intelligence, Performance and Price Analysis (Max)
Claude Opus 5.5 Intelligence, Performance and Price Analysis (Max)

A recent analysis evaluates Anthropic's Claude Opus 5.5, examining its adaptive reasoning capabilities and overall performance under maximum effort settings. The report benchmarks the model against competing AI systems across critical metrics including output quality, pricing, processing speed, and context window capacity.

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WordPress: Unauthenticated path traversal leading to conditional RCE
WordPress: Unauthenticated path traversal leading to conditional RCE

A severe unauthenticated path traversal vulnerability has been identified in WordPress, potentially allowing attackers to execute conditional remote code. The details of this critical security flaw were disclosed via GitHub, urging website administrators to apply patches immediately.

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Pentagon says overreliance on AI contributed to missile strike on Iran school

A Pentagon report claims an overreliance on artificial intelligence contributed to a reckless missile strike on a school in Iran, though critics argue the technology is merely a scapegoat for human incompetence and gutted vetting teams. Observers contend that military leadership pushed for high target quotas without due diligence, using AI to deflect blame for flawed command decisions and accelerated bad policies.

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How did AMD Ryzen get 50% faster in two years?
How did AMD Ryzen get 50% faster in two years?

Contrary to claims that CPU innovation has stalled, AMD's Ryzen 7 processors have achieved a remarkable 50% performance increase over the past two years. This rapid acceleration is evident when comparing the Zen 3, Zen 4, and Zen 5 architectures across the comparable 8-core 5800X3D, 7800X3D, and 9800X3D models.

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MUNI Heritage Weekend in San Francisco
MUNI Heritage Weekend in San Francisco

At the 2026 MUNI Heritage Weekend in San Francisco, a photographer utilized specialized imaging technology to document the historic transit system. The enthusiast spent three hours trackside using a line scan camera to capture continuous digital scans of passing trams.

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Side-stepping the Secretary Problem, unwittingly

Despite a harsh post-ZIRP tech job market worsened by AI-driven structural issues, the author shares a successful hiring anecdote that bypasses the traditional pitfalls of the Secretary Problem. The piece advocates for shifting the software industry toward collaborative, non-zero-sum matchmaking as the default hiring practice to better serve both employers and candidates.

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The Softness of Metal
The Softness of Metal

A concertgoer shares a deeply personal account of attending Ozzy Osbourne's final show while recovering from a broken ankle. Watching the ailing rock legend perform from a seated position moved the fan to tears, demonstrating that raw emotional vulnerability is the true essence of heavy metal.

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The current balance of power in open models
The current balance of power in open models

Expanding upon recent congressional testimony, this article examines the shifting power dynamics and competitive landscape within the open-source model ecosystem. It highlights the growing influence of open models and their strategic implications for the broader technology industry and future regulatory policy.

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OpenAI is well positioned to fast-follow Jev
OpenAI is well positioned to fast-follow Jev

TypeSafe's Jev represents a significant AI breakthrough by making snap judgments with calibrated probabilities rather than generating text. However, OpenAI is expected to quickly replicate this innovation and embed it directly into its own models to maintain its market dominance.

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Show HN: JevBench, a reproducible benchmark for typed decision models
Show HN: JevBench, a reproducible benchmark for typed decision models

JevBench is a newly introduced reproducible benchmark that evaluates typed decision models by testing 52 Jev-class systems across 534 distinct decisions. The latest Jev model currently leads the benchmark with the highest overall score, providing developers with a standardized way to compare open-source, self-hostable, and hosted options.

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People hooked on vapes try a new way to quit: cigarettes

A growing number of individuals addicted to vaping are turning to traditional combustible cigarettes as an unconventional method to quit. This surprising trend highlights the complex and evolving nature of nicotine dependency as users seek alternative ways to break their habits.

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Unreal Agent
Unreal Agent

Unreal Agent is a newly introduced agent harness that delivers up to 40% cost savings compared to Codex across production workloads and coding benchmarks. The tool achieves these financial efficiencies without causing any negative impact on overall performance.

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Native apps written in TypeScript and CSS
Native apps written in TypeScript and CSS

Developers can now explore example Gea applications that demonstrate building native apps using TypeScript and CSS. These sample projects are fully compatible with the Gea simulator and all supported target platforms, providing a practical starting point for cross-platform development.

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George Lucas Returns to Earth, Bearing Gifts
George Lucas Returns to Earth, Bearing Gifts

Filmmaker and tech pioneer George Lucas is gifting the city of Los Angeles with the new Lucas Museum of Narrative Art. The upcoming cultural institution is expected to become a prominent landmark and a must-visit destination for tourists.

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Obscura: VPN that can't log your activity
Obscura: VPN that can't log your activity

Obscura is a privacy-first VPN that utilizes a two-party relay system to guarantee it cannot log user activity. The service requires no email address for registration and includes built-in blocking for ads, trackers, and malware. It is currently available across all major desktop and mobile platforms.

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Markdown in /src

Carson Gross argues in a recent essay that Markdown has become a critical source artifact for software systems built with large language models. He recommends storing these Markdown files directly in the source directory alongside the generated code to adhere to the principle of locality.

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Can gzip be a language model?

A recent article explores whether the traditional gzip compression algorithm can be repurposed as a functional language model. Building on the author's previous experiments with non-neural text generation, the piece demonstrates how standard data compression techniques can predict and generate text without requiring neural networks, weights, or training.

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Apple has added persistent 'ads' to iOS, and it's driving users crazy
Apple has added persistent 'ads' to iOS, and it's driving users crazy

Apple has introduced persistent ads directly into the iOS interface, sparking widespread frustration among its user base. Many customers are criticizing the move, arguing that the new additions cheapen the premium experience traditionally associated with the company's devices.

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16-bit Intel 8088 chip (c. 1985)
16-bit Intel 8088 chip (c. 1985)

This feature highlights Charles Bukowski's poem about the 16-bit Intel 8088 chip, offering a unique literary reflection on the iconic early microprocessor. The article provides the full text of the work alongside an analysis of its meaning, poetic devices, and community interpretations.

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Show HN: Training a model to identify AI web content from structure alone
Show HN: Training a model to identify AI web content from structure alone

Researchers have introduced SlopShape, a new machine learning model that identifies AI-generated commercial web content by analyzing structural features rather than the text itself. By focusing purely on layout and design patterns, the model can detect automated web pages without relying on semantic analysis. The paper was recently shared on Hacker News as a Show HN project.

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The UV index is not the warm sensation of sunlight on bare skin
The UV index is not the warm sensation of sunlight on bare skin

The physical sensation of warmth from sunlight is an unreliable indicator of sunburn risk, as ultraviolet radiation operates independently of ambient temperature. Consequently, individuals can easily suffer severe sunburns on cool days if they rely solely on how hot it feels outside. To properly protect your skin, it is essential to check the official UV index rather than trusting your body's thermal response.

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