Meta Goes Dark Again!

I Stopped Fighting My Tools and Built a Game Engine in D

Key Points

• The author built a custom game engine called Parin in D after moving away from a Godot-centered workflow.
• Parin uses arena-based memory management and avoids garbage collection by default.
• The engine supports compile-time-selectable static and dynamic data structures to manage performance and memory tradeoffs.

Digital Sovereignty Becomes an Imperative as the US Reads Dutch Emails

Key Points

• The article presents the Dutch email case as an example of digital sovereignty risk in cloud services.
• It says data stored locally may still be subject to foreign legal access if the provider is under another jurisdiction.
• It argues vendors must prove local control, transparent disclosure paths, and stronger governance for sensitive workloads.

Speech Plus Prose 2000 vintage speech synthesizer, as used by Stephen Hawking [video]

Key Points

• The article showcases the vintage Speech Plus Prose 2000 speech synthesizer.
• The device is described as both a multibus board and a standalone external speech synthesizer.
• The post states that it was the first speech synthesizer used by Stephen Hawking and shared its speech model with DECtalk.

Report on an Unidentified Space Station

Key Points

• A stranded expedition initially mistakes an unidentified station for a small abandoned transit depot.
• Exploration reveals a massive multi-level passenger facility far larger than early estimates suggested.
• Two explorers vanish on the lower decks as the crew confronts the station’s immense and still-growing scale.

AUR Packages Compromised with Infostealer and Rootkit

Key Points

• A reported compromise hit 408+ AUR packages through a newly added maintainer account.
• Affected packages allegedly used preinstall scripts to install the malicious npm package atomic-lockfile.
• The article advises Arch users to check exposure, review indicators of compromise, rotate credentials, and consider reinstalling if affected.

The Future of Email

Key Points

• The article says AI-driven email handling makes sender verification more important than ever.
• SPF, DKIM, and DMARC are presented as the core standards that establish trust in email.
• Google and Yahoo’s 2024 DMARC requirements for bulk senders show authentication becoming standard infrastructure.

Ryanair dark UX patterns summer 2026 refresher

Key Points

• The article says Ryanair’s 2026 check-in flow contains nine opportunities to buy extras before completion.
• Examples of upsells include insurance, seats, baggage, priority boarding, security fast track, credit, and transport add-ons.
• The author recommends late check-in for Ryanair and early check-in for Lufthansa based on recent seat-assignment experience.

Kimi K2.7-Code: open-source coding model with better token efficiency

Key Points

• Kimi K2.7 Code is a coding-focused successor to Kimi K2.6 with reported 30% lower thinking-token usage.
• Its published architecture includes a 1T-parameter MoE design with 32B activated parameters and 256K context length.
• The article reports benchmark comparisons against GPT-5.5 and Claude Opus 4.8 across coding, ML, agentic, and tool-use tasks.

Maxproof

Key Points

• MaxProof uses population-level test-time scaling for mathematical proof generation and selection.
• MiniMax-M3 combines proof generation, verification, and critique-conditioned repair in one model.
• The reported scores are 35/42 on IMO 2025 and 36/42 on USAMO 2026, above the stated gold-medal threshold.

Hazel (YC W24) Is Hiring a Full Stack Engineer

Key Points

• Hazel is hiring a full stack engineer for classified government AI deployments.
• The role supports Hazel’s largest government contract and requires onsite work in Washington, D.C.
• Required skills include AWS, Python, TypeScript, React/Next.js, PostgreSQL, Docker, CI/CD, and infrastructure as code.

The Unsung Hero of the Lord of the Rings

Key Points

• The article presents Tom Bombadil as an intentionally mysterious but important figure in Tolkien’s world.
• It says Bombadil originated before *The Lord of the Rings* and was inspired by a Dutch doll owned by Tolkien’s children.
• It recounts Bombadil’s early role in *The Fellowship of the Ring*, including rescuing the hobbits and hosting them in the Old Forest.

Meta Down

Key Points

• The article recalls a past Facebook outage.
• Engineers reportedly could not physically access the building during the incident.
• Sheera Frenkel said this access problem helped explain the delayed recovery.

SpaceX's president is floating a Tesla merger as the company begins trading

Key Points

• Gwynne Shotwell said she would not rule out a future Tesla-SpaceX merger as SpaceX began trading publicly.
• SpaceX’s IPO reportedly raised $75 billion at a $1.77 trillion valuation, and filings suggested capacity for future dealmaking.
• The article cites extensive existing ties between Tesla, SpaceX, and xAI, while analysts disagree on whether a merger is likely.

WASI 0.3.0 Released

Key Points

• WASI 0.3.0 was ratified and rebased on the WebAssembly Component Model’s native async primitives.
• The release replaces many WASI 0.2 async workarounds with futures, streams, and `async func` interfaces.
• Major interface updates affect `wasi:cli`, `wasi:sockets`, and `wasi:http`, including simplification of resources and async flows.

Encrypted Spaces An architecture for collaborative applications

Key Points

• Encrypted Spaces aims to enable collaborative applications on centralized servers without trusting those servers with plaintext data.
• The architecture combines encrypted storage with verifiable operations, access control visibility, and author-attributed changes.
• A prototype sync engine exposes familiar developer abstractions while using encrypted, verifiable shared data underneath.

European sunscreens are safer than American

Key Points

• The article says European sunscreens provide stronger UVA protection because they can use more approved ingredients.
• It argues that stricter U.S. regulation has not made sunscreens safer and may have limited access to better preventive products.
• It proposes faster U.S. approval for products already cleared by trusted foreign regulators.

A Call to Action: Stop the FCC's KYC Regime

Key Points

• The FCC is considering stronger KYC rules for voice service providers, including identity verification before service activation.
• The proposal may affect prepaid phone services and third-party prepaid sales, not just standard postpaid accounts.
• The article says critics warn the rules could expand telecom identity databases and reduce access to anonymous or pseudonymous communication tools.

How to automate Instagram engagements with computer vision (and get banned)

Key Points

• The article recommends screenshot-based automation instead of DOM selectors for Instagram.
• It uses the triple-dots menu and action bar as visual landmarks to localize heart icons.
• Shrinking the search region improves template-matching accuracy before running a sliding-window search.

Slightly reducing the sloppiness of AI generated front end

Key Points

• The author tested multiple style prompts to reduce the generic look of AI-generated frontends.
• A "Qt app" prompt produced the most satisfactory result in the author’s experiment.
• The example app visualized projected 2030 Electoral College changes using AI-generated code.

A dumpster arrived behind my university's library

Key Points

• A 2018 university library renovation led to the deaccessioning and disposal of thousands of books.
• Faculty were given a limited chance to review and defend low-circulation titles slated for removal.
• The author links the event to research on Edith Wharton’s surviving and lost library, based on archival work at the Mount.

Show HN: Script to bulk delete Claude chats from the web UI

Key Points

• The script bulk-deletes Claude chats by using an internal API rather than the limited on-screen “Select all” UI.
• Users run the script from the browser console on `claude.ai/recents` and confirm once per organization.
• The deletion process may take several minutes to appear in the UI and requires keeping the tab open until completion.

My Struggles Talking to an Old Piece of Junk (Fanuc 0M)

Key Points

• A Hermle UWF 851 with Fanuc 0M was brought into working condition after electrical and alarm-related troubleshooting.
• The machine now powers on reliably and can run manually entered programs through the MDI panel.
• Serial communication was partially restored: the author can receive a program and decode its EIA format, but sending data to the machine still fails.

WhatsApp Business API pricing 2026: what's free and where markup hides

Key Points

• Meta still charges for WhatsApp Business API usage, so "free" usually refers only to access layers above Meta’s base pricing.
• Since July 2025, WhatsApp template billing is per delivered message, while service replies in a customer-initiated window remain free.
• Meta Cloud API can remove BSP markup, but platform fees and country-specific message rates still determine total cost.

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

Key Points

• Scientists are still uncertain how Earth first got its water.
• Evidence from spacecraft weakened the long-dominant comet explanation and increased interest in asteroids.
• A newer hypothesis suggests rocky planets may generate water internally under extreme conditions.

CRISPR Tech Selectively Shreds Cancer Cells, Including "Undruggable" Cancers

Key Points

• The study targets mutant p53, a common mutation across many cancers, with a CRISPR-based cell-destruction strategy.
• Researchers engineered CRISPR-Cas12a2 to detect mutation-specific RNA and trigger chromatin shredding in abnormal cells.
• The article presents the method as a potential way to address cancers considered difficult or impossible to drug with existing approaches.

Wasi: WebGPU – A Proposed WebAssembly System Interface API

Key Points

• wasi:webgpu is a Phase 2 WASI proposal for GPU access in WebAssembly.
• The proposal targets compute-heavy use cases including AI/ML, simulations, media processing, and visualization.
• It is based on WebGPU but excludes screen display/windowing and may diverge from browser-specific assumptions.

What the Fuck Happened to Nerds

Key Points

• The article argues that tech has shifted from a trust-based, builder-focused image to a more attention-driven one.
• It identifies online self-promotion by founders and senior tech figures as a major part of that change.
• It recommends that founders emphasize humility, curiosity, and domain expertise instead of celebrity-style visibility.

Show HN: StackScope – I crawled over 40k indie launches to see what they ship

Key Points

• StackScope analyzes early-stage launches from Product Hunt, Hacker News, and PeerPush.
• Its May 2026 report covers 17,652 indie launches.
• One-third of the analyzed launches run on Vercel, and removing them changes the reported prevalence of Tailwind, React, and Google Analytics.

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

Key Points

• The article demonstrates UEFI HTTP boot in QEMU/OVMF using a netboot.xyz EFI image and a minimal in-memory VM setup.
• It explains why HTTP(S) boot is operationally and security-wise preferable to PXE/TFTP, especially when HTTPS is used.
• It finds that OVMF network boot requires an RNG source, and shows that missing RNG support can cause otherwise valid configurations to fail.

Euro-Office, open standards, and native ODF

Key Points

• The Document Foundation welcomed Euro-Office’s support for open standards but rejected media claims that it is Europe’s first open source office suite.
• The article identifies LibreOffice as an existing European open source office suite, underscoring that such software already exists.
• The Foundation says true digital sovereignty requires ODF to be Euro-Office’s native format, not just a supported one.

Keygen.music

Key Points

• Keygen.music is an exploration site for tracker music.
• The article focuses on MOD, XM, and S3M track formats.
• The featured music is connected to demoscene and hacking-group culture.

Arch Linux's AUR Sees More Than 400 Packages Compromised with Malware

Key Points

• More than 400 AUR packages were reportedly compromised in a malware campaign.
• Arch Linux maintainers are removing malicious content and banning affected accounts.
• The incident affects only AUR packages, not official Arch Linux packages.

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

Key Points

• BitBoard is an analytics workspace for AI agents that connects data and supports team sharing.
• It works with AI chat tools and coding agents to generate dashboards and analysis.
• The product stores connections, queries, and code to make AI-generated analysis traceable and repeatable.

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

Key Points

• Attackers reportedly used weapons-related text in spyware to trigger LLM safety refusals.
• The tactic was intended to prevent AI security scanners from analyzing malware.
• The article says malware analysis pipelines should be designed to resist prompt manipulation.

A PDF that changes based on who is reading

Key Points

• The method uses a built-in PDF replacement-text feature to make machine extraction more structured without changing visual rendering.
• Supported extractors can return markdown-style output with headings, bullets, and tables from the same PDF file.
• Benchmarks showed similar token counts, indicating the main benefit is improved structural clarity for downstream processing.

Looking Forward to Postgres 19: It's About Time

Key Points

• Postgres 19 is described as adding native temporal table support aligned with SQL:2011 concepts.
• The article contrasts this with older PostgreSQL techniques based on `btree_gist` and exclusion constraints.
• It explains key temporal concepts including non-overlapping validity ranges, valid time, and transaction time.

New privacy frontier: Europe eyes crackdown on smart glasses

Key Points

• EU lawmakers and privacy regulators are examining whether smart glasses conflict with European privacy rules.
• A report about Meta-linked review of sensitive smart-glasses footage for AI training intensified scrutiny.
• The European Data Protection Board is preparing a report, while lawsuits and detection tools are also emerging.

Ask HN: Why is there some sort of a scam website being advertised on HN?

Key Points

• The author questions a company website’s appearance or promotion on Hacker News.
• A remembered listing cited “80–100 hrs / week of production building.”
• The post references an allegedly positive Paul Graham comment on X while expressing skepticism.

There Is Life Before Main in Rust

Key Points

• Rust binaries execute runtime startup code before user-defined `fn main()` runs.
• The pre-main phase initializes runtime services such as panic handling and argument processing.
• On Linux, process startup commonly begins at `_start`, whose address is stored in the ELF header’s `e_entry` field.

Appeals court upholds FTX co-founder Sam Bankman-Fried's fraud conviction

Key Points

• A federal appeals court upheld Sam Bankman-Fried’s fraud conviction and 25-year sentence.
• The court said evidence showed he diverted billions in customer funds and falsified records.
• FTX’s 2022 collapse left customers, investors, and lenders short more than $11 billion.

How to Setup a Local Coding Agent on macOS

Key Points

• The final local setup used llama.cpp with Metal, Gemma 4 26B-A4B GGUF, a Q8 MTP draft model, the Gemma 4 multimodal projector, and Pi.
• On an Apple M1 Max, baseline generation speed was 58.2 tokens/second, rising to 72.2 tokens/second after MTP tuning.
• In the reported benchmarks, llama.cpp with MTP outperformed the tested MLX-based model configurations on macOS.

I Am Not a Reverse Centaur

Key Points

• The author reports a surge in LLM-assisted contributions to his open source projects.
• He links the rise of such submissions to increased review burden for maintainers.
• He now requires issue-based discussion before pull requests and closes unsolicited PRs lacking signs of human involvement.

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

Key Points

• A translator recounts being told to use ChatGPT instead of doing the work manually.
• The article argues that translation requires localization, terminology research, consistency, and human judgment.
• The writer says AI tools can assist with editing and phrasing, but are not complete replacements for professional translators.

Tesla Full Self Driving uses bicycle lane in official Denmark approval video

Key Points

• Politiken says Tesla’s Denmark approval video shows multiple driving mistakes in Copenhagen.
• The first reported error appears 12 seconds into the footage, with further issues later in the clip.
• Cyklistforbundet and FDM are cited as concerned about what the video shows.

Law Enforcement's "Warrior" Problem

Key Points

• The article says the warrior concept is pervasive in law enforcement culture and training.
• It argues that a broader warrior mentality undermines public trust and police legitimacy.
• It proposes a guardian model, with non-enforcement contacts and tactical restraint as training reforms.

Cosmodial Sky Atlas

Key Points

• Cosmodial Sky Atlas is shown as an interactive astronomy and sky-viewing interface.
• The current observation setting is Houston, TX, with multiple display overlays available.
• The tool includes screenshot, sky tour, install, timing, and object-highlighting features.

I Won't Buy You a Coffee

Key Points

• The author opposes donation requests on blogs, especially "buy me a coffee" prompts.
• The post argues that blogging costs are usually low, citing 4€ per year for the author's self-hosted site.
• It concludes that blogs have limited income potential and that hobbies should not always be expected to pay for themselves.

A Peter Thiel-Backed Tribunal Is Putting Journalists on Trial

Key Points

• Objection used an AI-based process to challenge a Hollywood Reporter article at Michael Sackler’s request.
• The startup is led by Aron D’Souza and backed by Peter Thiel, linking it to past anti-media litigation.
• D’Souza says Objection emerged from dissatisfaction with the speed and cost of traditional courts.

Kagi Magic

Key Points

• Kagi is presented as a paid search engine designed to work for the user rather than advertisers.
• The article emphasizes search customization features, including source promotion, blocking, ranking, and pinning.
• Testimonials claim users switched from Google Search to Kagi after trying the service.

You can power on a Mac remotely

Key Points

• macOS 26.5 adds automatic startup on power connection for certain newer Macs.
• The feature is aimed at remote-management use cases such as lab, CI, and event-production systems.
• The article reports operational caveats with FileVault and Screen Sharing, plus a shutdown-related bug.

Swift at Apple: Migrating the TrueType Hinting Interpreter

Key Points

• Apple replaced a security-critical TrueType hinting interpreter written in C with a memory-safe Swift version.
• The new Swift implementation is reported to be 13% faster on average while preserving pixel-identical rendering behavior.
• Apple validated compatibility using 99.7%-coverage unit tests and large-scale PDF corpus testing across 25,572 fonts and 27 million glyphs.

Mmorpg World of ClaudeCraft, vibe coded with Fable 5

Key Points

• The game supports both shared online play with persistent characters and temporary offline single-player sessions.
• Players can choose from nine RPG classes, each with listed abilities and role-defining mechanics.
• The article documents controls and interface shortcuts and links directly to the project source code on GitHub.

Can I Buy Your KV Cache?

Key Points

• The paper proposes precomputing and selling access to document KV caches so AI agents can skip repeated prefill.
• It reports token-exact continuation and 9x to 50x lower compute cost on Qwen3-4B versus recomputing from scratch.
• It argues provider-side hosting is economically viable, while network shipping of KV caches is undermined by egress costs.

Congress Just Rushed Through a Disastrous Copyright Office Overhaul

Key Points

• H.R. 6028 passed the House and would restructure oversight of the U.S. Copyright Office.
• The bill would remove Library of Congress supervision and give more authority to the Register of Copyrights.
• It would also shift DMCA Section 1201 rulemaking authority and make the Register a presidential appointee confirmed by the Senate.

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

Key Points

• The project is an interactive Show HN demo built around an infinite procedurally generated landscape.
• Users can pan and zoom through the scene to explore it.
• Each entered name is transformed into a tree within a shanshui-style environment.

Renault: Electric motors with no rare earths

Key Points

• Renault says it has commercialized rare-earth-free EESM motors since 2012 across multiple EV models.
• Its next-generation E7A motor, targeted for 2027, is planned to deliver 200 kW and use an 800-volt architecture.
• The company links magnet-free motor design to supply-chain strategy because rare-earth production is concentrated in China.

Twenty One Zero-Days in FFmpeg

Key Points

• Depthfirst claims its autonomous security agent discovered 21 zero-days in FFmpeg and validated them with reproducible PoC inputs.
• The article describes FFmpeg as a massive, security-critical media parser widely used across browsers and streaming infrastructure.
• Depthfirst says its agent emphasizes threat modeling, reachability analysis, and execution-based confirmation to produce actionable findings.

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

Key Points

• architect-loop assigns planning and review to Claude Fable and coding/research to GPT-5.5 Codex.
• The `/architect` workflow uses frozen acceptance gates, isolated git worktrees, and Fable-run validation before merge.
• The `/architect-research` workflow parallelizes evidence gathering but keeps verification and final synthesis centralized in Fable.

Show HN: Putt.day a daily mini golf game

Key Points

• Putt.day features one new mini golf hole each day.
• Players control shots by dragging the ball back and releasing, with distance determining power.
• Water hazards reset progress to the previous position, and older holes are available via a calendar.

Enhance RAW image processing with Core Image [video]

Key Points

• Core Image RAW processing API version 9 is presented as improving sharpness and color in RAW photo workflows.
• Apple Neural Engine support is highlighted as a way to optimize performance.
• CIRAWFilter and new CIImageProcessor APIs expand editing capabilities and low-level performance control.

SkillSpector

Key Points

• SkillSpector scans AI agent skills for vulnerabilities and malicious patterns before installation.
• It supports 64 vulnerability checks across 16 categories and multiple input and output formats.
• The tool combines static analysis, optional LLM evaluation, and live OSV.dev vulnerability lookups.

AMD Stiffs Researcher $10k Bug Bounty

Key Points

• The article says AMD’s updater used HTTP, enabling man-in-the-middle replacement of update files.
• Researcher Paul LaRosa reported the flaw; the article says AMD fixed it after 124 days and paid no bounty.
• The patch reportedly encrypted downloads, but the article says CRC32-based validation remains in place.

The forgotten Scots who gave Kafka his voice

Key Points

• For decades, Willa and Edwin Muir’s translations defined how English-speaking readers encountered Kafka.
• The article highlights Willa Muir’s often-overlooked role and the couple’s collaborative translation process.
• Later revised editions in the 1980s led to newer translations, but the Muirs’ influence remained foundational.

US Government directive to suspend access to Fable 5 and Mythos 5

Key Points

• Anthropic said a US export control directive forced suspension of Fable 5 and Mythos 5 for all customers.
• The company said the action appears tied to a reported Fable 5 jailbreak but described the findings as minor and previously known.
• Anthropic defended its safety posture, citing extensive red-teaming and a defense-in-depth strategy including monitoring and 30-day data retention.

A key remapping daemon for Linux

Key Points

• keyd is a Linux key remapping daemon that uses evdev and uinput for fast, system-wide remapping.
• Its features include layers, tap/hold overloading, per-keyboard configs, Unicode support, and application-specific remapping.
• The article includes source installation steps, a sample Caps Lock/Control/Escape config, and safety notes for bad configs and device matching.

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

Key Points

• Anthropic suspended Claude Fable 5 access because of a US government export control directive.
• New sessions move to default models or Opus 4.8, while existing Fable 5 sessions and platform requests will error.
• The directive is described as applying to foreign nationals globally, including foreign national Anthropic employees, and also names Mythos 5.

DNI Gabbard Reveals Evidence of U.S. Taxpayer-Funded Global Biolab Program

Key Points

• ODNI says declassified evidence shows U.S. funding for 120+ biolabs in 30+ countries.
• The release highlights Ukraine as a risk area because wartime conditions could expose pathogen-holding labs to attack or seizure.
• Gabbard directed increased intelligence collection on overseas labs, while the article ties the issue to Trump’s Executive Order 14292 on gain-of-function funding.

Reddit RSS feeds recent rate limiting and solution

Key Points

• Reddit RSS feeds reportedly began returning HTTP 429 errors under a stricter apparent rate limit.
• Adding normal authentication did not solve the issue, but adding `user=` and `feed=` URL parameters did in the author’s tests.
• A recent r/modnews post about unauthenticated JSON deprecation may signal broader restrictions on unauthenticated access.

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

Key Points

• Anthropic suspended access to Claude Mythos 5 and Claude Fable 5.
• The incident is marked as "Monitoring" and was posted June 13, 2026 at 00:50 UTC.
• Affected services include claude.ai, Claude API, Claude Code, and Claude Cowork.

Open Source AI Must Win

Key Points

• The article argues that AI should remain open, auditable, and locally deployable rather than controlled by a few closed institutions.
• It describes AI as civilizational infrastructure and says access should not depend on closed APIs, remote platforms, or provider-imposed constraints.
• It calls for American capacity in AI alongside global open standards to preserve the freedom to run, inspect, modify, and preserve intelligence systems.

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

Key Points

• Tectonic compiles TeX files to PDF and removes the need for a full LaTeX installation by downloading required support files automatically.
• The engine emphasizes reproducible builds, automatic TeX/BibTeX reruns, non-interactive operation, and minimal intermediate-file output.
• It is built on XeTeX for Unicode and OpenType support, can be embedded as a library, integrates with GitHub Actions, and is released under the MIT License.

Why a Computer Science Degree Still Opens Hidden Doors

Key Points

• CS and computer engineering still rank well on combined labor-market outcomes despite concerning unemployment headlines.
• The article says entry-level hiring has weakened even as job postings increased, making the hiring pipeline harder to navigate.
• It recommends referrals, startup roles, real deployed projects, and deeper AI engineering skills to improve job prospects.

The Future of wasi-gfx and wasi:webgpu

Key Points

• wasi:webgpu stays in core WASI, while surface and frame-buffer move to the new wasi-gfx namespace.
• wasi:graphics-context is being deprecated in favor of a cleaner architecture.
• Tooling will support both namespaces during the transition, and community coordination will continue via the official Renderlet Discord.

TycoonLE: A Jax reinforcement learning environment for long-horizon planning

Key Points

• TycoonLE is a JAX-compatible reinforcement learning environment for long-horizon planning in a simulated logistics economy.
• The environment uses a fixed-shape action interface and includes a replay UI for inspecting agent behavior and outcomes over time.
• The article provides installation, quickstart, testing, replay export, PPO training instructions, and mentions TycoonBench as a companion benchmark.

On CPU Physics and CPU Cycles

Key Points

• The draft links CPU performance to physical signal distance and parasitic capacitance inside modern processors.
• It gives approximate cycle costs for common operations, from 1-cycle arithmetic to higher-latency multiplication and division.
• It explains pipelining, superscalar execution, and L1 cache access as key reasons actual CPU throughput differs from simple per-instruction timing assumptions.

Our response to the US ban on Fable 5 and Mythos 5

Key Points

• Isaacus says a US export control directive led Anthropic to take Fable 5 and Mythos 5 offline globally for foreign nationals.
• The article argues that dependence on US-based LLMs creates sudden access and continuity risks for AI applications.
• Isaacus says it is addressing that risk through air-gapped self-hosting and plans to extend full self-hostability to future applications.

A generic dynamic array in C that stores no capacity and needs no struct

Key Points

• The array uses two pointers: one encodes length and one points to data.
• The implementation avoids structs and does not store capacity explicitly.
• Growth is handled with realloc when length is zero or a power of two.

Show HN: Lightweight Task queue on Erlang/OTP, SQLite-backed, no overengineering

Key Points

• EZRA is a SQLite-backed persistent task queue built on Erlang/OTP with explicit task acknowledgement.
• It uses the Redis RESP3 protocol, so existing Redis clients in many languages can connect without Redis itself.
• The article emphasizes simple deployment, durable storage, and performance bounded mainly by disk and SQLite write speed.

There is a shadow hanging over this Fable thing

Key Points

• Anthropic says a U.S. export-control directive forced it to disable Fable 5 and Mythos 5.
• The company says the issue involved an alleged jailbreak technique tied to minor, previously known vulnerabilities.
• Anthropic argues similar capability exists in other public models, including OpenAI’s GPT-5.5, while still complying with the order.