Microsoft Office 2019 and 2021 for Mac view-only conversion

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Microsoft Office 2019 for Mac will stop editing and saving files on July 13, 2026, due to a license-validation certificate expiration. Users can update to build 16.83 to avoid this change, but Office 2019 users have no update path.

Domain expertise has always been the real moat

Agentic AI tools have changed software development by allowing non-experts to produce correct outputs without understanding the underlying code. The most valuable professionals now have both technical skills and deep domain knowledge to verify the correctness of generated code.

Openrsync: An implementation of rsync, by the OpenBSD team

https://opengraph.githubassets.com/d5beac9fa9066e8087ccf65a80f22668b2badaeb85e023134fd600e6c2a954b9/kristapsdz/openrsync
openrsync is a BSD-licensed rsync implementation compatible with modern rsync protocol 27, primarily designed for OpenBSD but also portable to other UNIX systems. It uses a subset of rsync's command-line arguments and is part of the rpki-client project.

Danish pension fund excludes SpaceX citing governance and valuation

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OpenRouter raises $113M Series B

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OpenRouter secured $113M in Series B funding led by CapitalG, with participation from major tech companies. The funding will be used to scale infrastructure and deepen enterprise capabilities for AI production workloads.

Pandoc Templates

https://pandoc-templates.org/img/q3auu6iBM7-1000.jpeg
Pandoc templates for PDF, LaTeX, HTML and Word. Easily convert documents with customizable templates for reports, articles, and more.

Anthropic surpasses OpenAI to become most valuable AI startup

https://img.inform.kz/kazinform-photobank/media/2026-05-30/158680cd-65ec-409b-bab1-286a918e6cd5.webp
Anthropic surpassed OpenAI in market valuation after raising $65 billion in a funding round, reaching nearly $1 trillion. The company's growth is driven by its popular Claude AI assistant and revenue increased to $47 billion from $10 billion last year.

Shantell Sans (2023)

https://shantellsans.com/assets/shantell-martin-portrait.jpg
Shantell Sans is a variable font created by Shantell Martin and Stephen Nixon, inspired by her handwriting and Comic Sans. It offers a wide range of styles, from friendly to high-energy, and supports over 380 languages.

The AV2 Video Standard Has Released (Final v1.0 Specification)

AV2 is a next-generation video coding specification from AOMedia offering superior compression efficiency and support for AR/VR, split-screen delivery, and wider visual quality range. It provides a comprehensive specification document and reference software for implementation.

Zig: Build System Reworked

The Zig project has made several improvements including faster build times, incremental compilation, and better type resolution. These changes aim to make the development experience more efficient and user-friendly, with features like faster error messages and improved dependency management.

EY Canada published a cybersecurity report and most citations were hallucinated

https://gptzero.me/investigations/ey/pages/EY.jpg
GPTZero discovered that Ernst & Young's 2025 report "Points of Attack" contains fake citations and inaccurate claims, which are being spread through newspapers, blog posts, and AI search overviews. The company's Hallucination Check tool identified the fake citations and highlights the dangers of "vibe citing" in research and consulting reports.

Accenture to acquire Ookla

https://newsroom.accenture.com/news/2026/media_1925121366947559d685b14a543deb0b315aea7cb.png?width=750&format=png&optimize=medium
Accenture acquires Ookla to strengthen network intelligence and experience with data and AI for enterprises. The acquisition will help clients optimize mission-critical Wi-Fi and 5G networks.

Proposed new US funding rules: We can cancel any grant at any time

https://cdn.arstechnica.net/wp-content/uploads/2025/07/GettyImages-2223415789-640x427.jpg
The Trump administration's new rules for grant funding would give political appointees final say over scientific research, allowing them to cancel grants at any time and ban funding for certain topics like DEI and gender ideology. The rules would also limit international collaborations and restrict scientists' ability to publish and attend conferences.

WH proposes rules giving political appointees final approval on research grants

https://static.scientificamerican.com/dam/asset/dbb5e69a-08e8-4ebf-a0f3-45cc08846d1b/Vought.jpg?m=1779998711.831&w=600
The White House proposed regulations would give political appointees control over federal research grants and funding, replacing expert review committees. Critics say this would politicize science and silence research that is inconvenient to the administration.

Voxel Space (2017)

https://s-macke.github.io/VoxelSpace/images/webdemo.gif
In 1992, Comanche used a 2.5D Voxel Space engine with a 1024x1024 height and color map for rendering. The engine used a simple painter algorithm to draw vertical lines based on height and color data.

Leo's first encyclical attacks technological messianism

https://www.economist.com/cdn-cgi/image/width=1424,quality=80,format=auto/content-assets/images/20260530_EUD001.jpg
The Pope's encyclical warns against unregulated AI development and outdated concepts like "just war". He also calls for fact-checked journalism, multilateral diplomacy, and apologizes for the papacy's past slavery condemnation.

Zig ELF Linker Improvements Devlog

The Zig project has made significant progress in 2026, including improvements to the ELF linker, incremental compilation, and the build system, which has made zig build faster and more efficient. The project has also made changes to the standard library, including preferring the Native API over Win32 and deleting redundant code from the libc subproject, which has improved compilation speed ...

Hormuz crisis side effect: a sharp rise in container shipping rates

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Container shipping costs have doubled since the Iran war began, with bunker fuel costs up 68% and spot rates increasing 59-66% on major routes. Importers are paying more for ocean transport due to the Hormuz crisis, with carriers passing on fuel costs and expecting further rate increases.

AI job grief: A psychological crisis hitting tech workers

https://jackmaguire.org/og-ai-job-grief.png
Workers are experiencing a unique form of grief due to AI-driven job displacement, which threatens their professional identity and autonomy. This grief is structurally suppressed, and the standard grief model breaks down in the AI case, making recovery harder than in previous industrial transitions.

Corporate America Is Starting to Ration AI as Cost Skyrockets

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Naphtha shortages in Japan

https://www.nippon.com/en/ncommon/contents/japan-data/3004187/3004187.jpg
Calbee is switching to black-and-white packaging due to naphtha shortages caused by the Iran war. The shortage affects various industries, including food, manufacturing, and medical sectors.

Memory decline after menopause linked to loss of estrogen production in brain

https://news.northwestern.edu/assets/Stories/2026/05/estrogen1940__FitMaxWzk3MCw2NTBd.jpg
A Northwestern Medicine study found that estrogen loss in women may contribute to Alzheimer's disease risk due to problems in the extracellular matrix in the brain. The study suggests a new treatment approach focused on restoring the brain's supportive environment to help protect memory and fight Alzheimer's disease.

Show HN: 500 years of Joseon court omens as an observability dashboard

The Joseon court — the dynasty that ruled Korea for five centuries (1392–1897) — watched and recorded eclipses, comets, droughts, floods, and tiger incursions as signs bearing on the Mandate of Heaven: Heaven's read on whether the dynasty should stand. This console logs those readings as operational telemetry — every entry a real record from the 朝鮮王朝實錄.

Cheese Paper: a text editor specifically designed for writing

https://brie.gay/images/cheese-paper/light%20scene.png
Cheese Paper is a text editor for writing fiction that supports syncing and stores notes with each scene in a minimal file format. It's an open-source project with a simple file format and customizable themes.

To have a moral stance on AI is to be an outcast, and it sucks

The user is strongly opposed to AI due to its negative impacts on the environment, workers, and society. They feel betrayed by people they respect who endorse or use AI, and are willing to cut ties with those who prioritize convenience over the harm it causes.

OpenFOV – Webcam head tracking for iRacing

https://www.openfov.com/link-preview.png
OpenFOV uses your webcam to control iRacing's in-game FOV. Unlocks VR-style functionality for your monitor!

Parallel Reconstruction of Lawful TLS Wiretapping

https://remyhax.xyz/image/feature-reproducing-lawful-tls-wiretapping.jpg
A TLS certificate renewal vulnerability in acme.sh allowed a certificate authority to issue a certificate, enabling wiretapping of jabber.ru. The vulnerability was exploited due to a remote code execution flaw in acme.sh, which was later patched.

Stealing from Biologists to Compile Haskell Faster

https://www.iankduncan.com/_astro/schedules.CHb8XpSg_2upfum.svg?dpl=dpl_3dWgd7HAtBCiB4M8GoPf8CRhS2fL
The ApplicativeDo optimization in GHC is too slow due to its O(n^3) complexity, but it can be improved by applying the longest-chain bound and extreme-cut shortcut. This reduces the compile-time complexity to O(n^2) and eliminates the cliff in GHC's optimal path.

Microcode inside the Intel 8087 floating-point chip: register exchange

https://static.righto.com/images/8087-fxch/8087-package-w400.jpg
The 8087 floating-point chip uses microcode to implement its instruction set, with 1648 micro-instructions controlling the chip's operations. The FXCH instruction, which exchanges two floating-point registers, is implemented with 14 micro-instructions that handle various conditions and exceptions.

Show HN: Breathe CLI – Paced resonance breathing in the macOS terminal

https://repository-images.githubusercontent.com/1254611876/129922ae-a5f0-4e47-b8df-6ab3ac572954
This is a terminal app for macOS that paces resonance breathing for vagal tone training. It uses a single file with no dependencies and enforces safety constraints to prevent adverse effects.

Macsurf, "modern" web browser for macOS 9

https://raw.githubusercontent.com/mplsllc/macsurf/master/img/mactls.png
MacSurf is a web browser for Classic Mac OS 9, running native CSS3, ES5 JavaScript, and HTTPS on PowerPC hardware. It's an ongoing project with regular updates and bug fixes, aiming to revive the web on old Macs.

Show HN: Helios – what plug-in solar could generate for any address in Britain

Plug-in solar panels will be available in the UK soon, allowing you to generate electricity without installation fees or planning permission. Enter your postcode and details to estimate energy generation and potential savings.

Jef Raskin, the Visionary Behind the Mac (2013)

https://lowendmac.com/wp-content/uploads/raskin-320x386.jpg
Jef Raskin founded the Macintosh project at Apple, leading to the development of the graphical user interface. He aimed for simplicity and user-friendliness, but the Mac has become increasingly complex over time.

Perry Compiles TypeScript directly to executables using SWC and LLVM

https://perryts.com/opengraph-image?edfa6fc43a1da671
Perry compiles TypeScript to native executables on various platforms. It produces standalone binaries with no runtime dependencies, enabling fast deployment and reproducible builds.

Dusklight – GC Twilight Princess Decompiled

https://twilitrealm.dev/_astro/shot-platform.Cp2I0l-W_Z2bUtDr.webp
Dusklight is a classic adventure game with fixes and improvements, available on PC and mobile. It offers authentic and modern gameplay options with higher resolutions and frame rates.

Rsync 3.4.3 has hundreds of Claude commits

System fails with rsync 3.4.3 on incremental backups but works with 3.4.1. Changes in 3.4.3 may be causing the issue.

wolfSSL releases a new product; wolfCOSE a zero alloc C embbedded COSE stack

https://opengraph.githubassets.com/3e5ef9b40bbfd31081d8224cb0ec5e6702a777c78ef050707ab461850498c679/wolfSSL/wolfCOSE
wolfCOSE is a lightweight C library implementing CBOR and COSE using wolfSSL as the crypto backend. It supports all six COSE message types with a minimal build size of 7.5 KB.

CQL: Categorical Databases

https://categoricaldata.net/images/shot1.png
CQL is an open-source, production-ready data processing system using category theory for querying, combining, and evolving databases. It guarantees correctness through an embedded automated theorem prover and preserves data quality with perfect provenance.

Thiel moves family to Milei's libertarian Argentina

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Ask HN: What Is the State of App Development in 2026?

The world of app development is changing with AI/LLMs affecting the field, making it easier to create apps but also increasing competition and the need to learn how to use AI effectively. A career in app development now requires learning to work with AI, adapting to new frameworks like .NET Maui, and navigating the challenges of app store distribution and review processes.

Design Engineering Magazine

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The author emphasizes the importance of quality in product design, citing a shift from speed to exceptional craftsmanship. They share their expertise on building great interfaces through their website and magazine, Interfaces.

The Kaiser and a "Mediocre Man" Theory of History

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The "mediocre man" theory of history suggests that ordinary individuals can shape history as much as great men or mass forces. Kaiser Wilhelm II's character and rule illustrate this theory, as his influence on German politics and world events was significant despite his lack of greatness.

A Probabilistic Algorithm for Repairing All Roads in Lebanon via Papal Visits (2025)

The viva voce defense is a protocol meant to certify a candidate's independent research capability, but it becomes less sound when the prover has access to a large language model oracle. The protocol's soundness is controlled by transcript distinguishability, and increasing it requires fairness and cost consequences, leading to a soundness-fairness-cost tri-lemma.

Werner Herzog in conversation with Paul Cronin (2014)

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Werner Herzog discusses his film Grizzly Man, about Timothy Treadwell, a man who lived with bears in Alaska. Herzog found Treadwell's footage fascinating and powerful, despite his delusional acts.

A new way to build chips: Sequentially stacking silicon to extend Moore's Law

https://matse.illinois.edu/_sitemanager/viewphoto.aspx?id=123218&s=719
Researchers led by Qing Cao have developed a method to stack high-performance silicon circuits vertically, increasing computing density and speed while reducing energy use. This breakthrough could extend Moore's law without shrinking transistors further, enabling more efficient computing for AI and other data-intensive applications.

Handmade Hawaiian Islands Map

https://www.notesfromtheroad.com/files/hawaiian-islands-archipelago-map.webp
You created two maps of the Hawaiian Islands using watercolor, Copic marker, and Adobe Fresco. The maps show the entire archipelago and the eight main islands in greater detail.

Fluid Simulation for Dummies (2006)

The code and ideas that i'm going to present are based on jos stam&# 39;s paper. a simple solution is to set each corner cell equal to the average of its three neighbors - this counteracts the motion of the fluid which would take it through the wall if it were to move through it. to make sure that fluid is incompressible, we need to satisfy the non-diverg

Let's talk about EU Sovereignty (2025)

The term "sovereign cloud" refers to data stored within the EU for EU citizens, but major cloud providers like AWS, Google, and Microsoft still have global services that can replicate data outside the EU, violating this principle. To truly be sovereign, companies should consider using EU-based cloud providers like Scaleway, Herzner, or VPS providers, and manage their own Kubernetes ...

I am against GenAI and everything it stands for

The user strongly criticizes generative AI, arguing it's a trillion-dollar industry built on stolen data, harming humanity, and spreading disinformation. They believe AI will lead to a decline in critical thinking, education, and real-life communication, ultimately causing more problems than it solves.

Adding Linux support back for the BASIC (free) version of Vivado

Sorry to interrupt

White House's Aliens.gov Site Brags That ICE Arrested More Than 700 US Citizens

https://media.wired.com/photos/6a19d5686c603cc052203420/master/w_2560%2Cc_limit/pol_alien_GettyImages-2277150138.jpg
The White House launched a website called Aliens.gov that mocks immigrants by comparing them to extraterrestrials and lists ICE arrests in nearly 12,000 US locations. The site's data was later updated after being found to include inaccuracies and unauthorized use of copyrighted music.

“The Apple Boogie“ 1987 Mac Promo Album Cassette Tape [video]

Movwin: My (Unpublished) TUI Framework

https://movq.de/blog/postings/2026-05-29/0/t/pcdoshelp.png.jpg
The user is creating a TUI framework called movwin to replace existing libraries due to their instability and performance issues. movwin is a Python library built on top of ncurses.

Vibe Coding Is Not Engineering

https://phroneses.com/theme/images/home-bg.jpg
Vibe coding generates code but lacks coherence and fails in production due to missing requirements. Engineering fills this gap by considering system constraints and invariants to ensure a coherent system.

The SLAX Scripting Language: An Alternate Syntax for XSLT

SLAX is an alternate syntax for XSLT that uses a syntax modeled after PERL and C, making it easier to read and write. SLAX is purely syntactic sugar, with underlying constructs completely native to XSLT.

BQN: What Is a Primitive?

The author discusses the design of primitives in BQN, arguing that they should be discovered rather than invented, and that they should have a fixed role and be represented by symbols.

Iron-rich immune cells help homing pigeons navigate

To access www.science.org, check if internet or firewall settings are blocking "challenges.cloudflare.com". Adjust settings or try a different network if necessary.

Rotary GPU: Exploring Local Execution for Large MoE Models Under Limited VRAM

https://arxiv.org/static/browse/0.3.4/images/arxiv-logo-fb.png
Researchers developed Rotary GPU to make large language models accessible on smaller hardware resources, addressing deployment concerns in constrained environments. The approach achieved 21.06 tokens per second on a consumer laptop, suggesting further investigation into deployment accessibility is warranted.

Safer, cheaper vision correction without lasers or surgery

https://www.sciencedaily.com/images/1920/advanced-eye-scan-vision-treatment.webp
Researchers are developing a new eye reshaping technique called electromechanical reshaping (EMR) that uses mild electrical pulses and platinum contact lenses to temporarily soften the cornea and correct nearsightedness. Early tests on rabbit eyes show promise, with the procedure taking about a minute and preserving the eye's structure.

Meta is reportedly developing an AI pendant

https://techcrunch.com/wp-content/uploads/2026/05/meta-ai-GettyImages-2264943773.jpg?w=1024
Meta plans to expand AI wearables including glasses and a business subscription, building on Limitless acquisition. The goal is to revive Reality Labs division after losing $4 billion in the first quarter.

We are constantly broadcasting emotional data

https://www.tonyrice.me/logos/tony_rice_logo.svg
The user and their cousin encountered an aggressively shouting man on the street, but a calm greeting changed his demeanor. This experience illustrates how our bodies give off signals that others can interpret, similar to how corporations collect emotional insights from people.

Using safe-area-inset to build mobile-safe layouts

https://polypane.app/static/insetviz-be77ee8c0ab29ccda899743cd9a9b339.png
To avoid content being obscured by system UI on mobile devices, use the safe-area-inset environment variables in CSS to account for the space taken up by system UI. This can be done by setting viewport-fit=cover and using env(safe-area-inset-*) to ensure content is visible and accessible.

OpenRCT2 v0.5.1 "Swamp Castle" released Last version to support Windows 7

https://openrct2.io/uploads/images/logo.png
OpenRCT2 Release v0.5.1, "Swamp Castle", fixes various bugs and adds new features. This is the last release supporting Windows 7/8 due to GitHub's upcoming lack of support.

A disappearing Service Processor (2025)

https://oxide.computer/_vercel/image?url=%2Fimg%2Fblog%2Fcosmo_sp%2Fcosmo%2Bdebug.jpg&w=1440&q=90
The Oxide team encountered a tricky debugging issue with their Service Processor (SP) dropping off the network due to a potential software or hardware bug, which was later found to be caused by a mismatched memory attribute on the FMC bus. The team was able to reproduce the issue and eventually fixed it by changing the base address of the FMC bus to match the attributes of the device memory section.

Let's talk about encrypted reasoning

https://blog.cryptographyengineering.com/wp-content/uploads/2026/05/img_5689.jpg?w=1024
The user spent a weekend exploring OpenClaw and Claude APIs, discovering that encrypted reasoning blocks can be replayed across sessions and accounts, potentially exposing sensitive information. However, the user was unable to extract model prompts, but found that reasoning itself can be leaky, allowing for side-channel attacks to extract secret data.

Show HN: A free Linux adaptation of NETworkManager by BornToBeRoot

https://raw.githubusercontent.com/thongor77/nmlinux/main/screenshots/main_v1.2.7.png
NMLinux is a Linux desktop network management tool inspired by NETworkManager, offering a unified GUI for common network tools. It features 13 modules, including VNC, RDP, SSH, and IP Scanner, with support for various desktop environments.

MP3s from Google Drive in Music Assistant on Home Assistant

https://blog.tomayac.com/images/KpUXWQSFEZ-368.png
User has a large MP3 collection on Google Drive and Home Assistant. They followed a blog post to connect Google Drive to Music Assistant using rclone and WebDAV server.

Oscar-winning Star Wars editor Marcia Lucas dies aged 80

https://ichef.bbci.co.uk/news/480/cpsprodpb/d20c/live/f4840710-5c48-11f1-aa7a-8946e5cbf1e0.jpg.webp
Marcia Lucas, Oscar-winning editor of the original Star Wars film, has died aged 80 from metastatic cancer. She was a pivotal creative force behind the space saga's early success, known for her emotional depth and narrative clarity.

PCMFlowG722 wideband (HD voice) codec for ESP32

https://opengraph.githubassets.com/123a471619ec5ae46b22acd13ee315987766d8e9e575aed4c968c600456097b6/tanakamasayuki/PCMFlowG722
The G.722 codec add-on for PCMFlow provides HD voice quality with a moderate footprint, suitable for real-time two-way voice over packet radio/network. It compresses 4x raw 16 kHz mono 16-bit PCM, using the same 64 kbps wire budget as G.711.

Show HN: Phive, a Gomoku-like game to play with friends or solo

Players take turns placing and moving pieces, with each new piece adjacent to an existing one. Pieces cannot be moved if it would leave any connected pieces disconnected.

Airlines Can't Charge You for What You Wear

https://cdn.shopify.com/s/files/1/0965/5923/5367/files/voyagecoat-airline-fees-x3.webp?v=1774419945
Airlines keep raising bag fees, forcing travelers to layer up or stuff pockets to avoid costs. A new travel solution aims to help travelers pack efficiently and avoid extra fees.

Records Show UC Sharing Data with US Customs and Border Protection

https://bloximages.chicago2.vip.townnews.com/dailycal.org/content/tncms/assets/v3/editorial/8/6a/86a96408-4b4c-4afd-8571-fae816154a39/6a190e8011797.image.jpg?resize=400%2C258
The UC system shared data from automated license plate readers with federal agencies, violating California state law. The Ellis Collective, a student-led research group, uncovered this through public records requests and is considering further action.

Show HN: VT Code – open-source terminal coding agent in Rust

https://raw.githubusercontent.com/vinhnx/VTCode/main/resources/gif/vtcode.gif
VT Code is an open-source coding agent with LLM-native code understanding and robust shell safety, supporting multiple LLM providers and integrating with various tools and editors. It implements a defense-in-depth security model and provides a rich set of configuration options, including lifecycle hooks and PTY backend selection.

First benchmark results from the Snapdragon 8cx Gen 3-powered Radxa Dragon Q8B

https://bret.dk/wp-content/plugins/sbc-compare/assets/board-images/radxa-dragon-q8b.webp
Radxa announced the Dragon Q8B, a Qualcomm Snapdragon 8cx Gen 3 SoC based SBC, offering high performance and features. It takes the top spot in nearly every test on sbc.compare, making it a compelling purchase for various applications.

Key Chemistry Question Answered, No Quantum Computer Required

https://www.quantamagazine.org/wp-content/uploads/2026/05/Chem-Quantum-Advantage-cr-Nash-Weerasekera-Lede.webp
Garnet Chan and his team used classical methods to understand the enzyme nitrogenase, which converts atmospheric nitrogen into ammonia, and achieved a major breakthrough. This result challenges the idea that quantum computers are necessary to solve complex chemical problems.

Building a custom mount for a telescoping webcam

https://john.mercouris.online/images/IMG_4072.JPG
To rehumanize online interactions, a foldable telescoping webcam mount can be used to achieve ideal eye contact and improve audio quality. This setup allows for flexible use and can be adjusted to suit different conversation needs.

Kore: Binary File Format Optimized for Modern Data Systems (Open Source)

https://opengraph.githubassets.com/f8af1ae5d7bbc7d2b33bf9758682c7f377c70ad8986b63f844d270cea70cb484/arunkatherashala/Kore
Kore file operations include writing, reading, and getting file info using kore_write_simple, kore_read_simple, and kore_info_simple functions. Kore is also integrated with PySpark for reading and writing data.

Zerostack v1.3.4 released – Lightweight Unix-inspired coding agent

https://crates.io/_app/immutable/assets/cargo.BEjkIoV4.png
zerostack is a lightweight coding agent with standard tools, permission system, and prompts system. It supports Git Worktrees integration, ACP, and has a low RAM footprint of ~16MB.

10g Upgrade

https://klaxzy.net/var/img/802-1q.jpg
The user upgraded their home network to 10Gbps with TP-Link switches and Intel NICs, achieving 9.4 Gbps throughput and resolving previous issues with CRC errors and congestion. The upgrade also improved backup speeds and reduced power consumption, with the TP-Link access switch drawing around 20W and the core switch drawing around 0.22kWh daily.