Play Store blocks AuroraStore, hurting GrapheneOS users

Aurora Store returns a "Server busy, please try again later" error when installing applications via an anonymous account on Fairphone 5 with Android 16. The issue persists despite clearing cache, refreshing the account, and restarting the device.
https://opengraph.githubassets.com/3f485d6c65f61fa587b2d9b6bd6f110db71340239f3f67052e44cb9f97325143/ankidroid/Anki-Android/issues/21656
The AnkiDroid app, a free and open-source flashcard app for Android, has been rejected by Google Play Store due to violating the Payments policy. The issue is that the app allows users to contribute donations to an organization that is not tax-exempt. To resolve this issue, the developers must remove any links directing users to make payments using systems other than Google Play's billing ...

Ask HN: Who is hiring? (September 2026)

I'll post job openings for remote work with the company's name, location, and a brief description of their business.

Ambient CSS v3 – Blender meets CSS

https://ambientcss.vercel.app/og-image.png
Define a light source, and every shadow, highlight and surface gradient follows from it. Calibrated against Blender raytraces — rendered with box-shadow.

Io_uring Without Readahead

https://frn.sh/iouring/q6-sqpoll-all.svg
The author implemented readahead in Turso, a database backend, to measure its impact on io_uring and understand why it's faster. The results show that with readahead enabled, the application submits more SQEs but fewer requests arrive at the device due to kernel merging of concurrent requests.

44% on ARC-AGI-1 in 67 cents

https://mvakde.github.io/blog/hero-img.png
The author trained a small transformer from scratch in 1.5 hours, achieving scores comparable to large language models (LLMs) on the ARC-AGI benchmark, with costs reduced by 10x and no need for synthetic data or augmentations.

American Airlines' Legendary Mechanic Passes Away at 100 After 80-Year Career

https://static0.simpleflyingimages.com/wordpress/wp-content/uploads/2026/07/shutterstock_2719557287_cropped.jpg?&fit=crop&w=1600&h=900
Azriel "Al" Blackman, a 100-year-old American Airlines mechanic, passed away after an 80-year career with the airline. He holds the Guinness World Record for the longest career as an airline mechanic and inspired generations of aircraft maintenance technicians.

Dr. Melvin Scheinman: 40th Anniversary of Catheter Ablation

https://ucsfhealthcardiology.ucsf.edu/sites/ucsfhealthcardiology.ucsf.edu/files/inline-images/dr-melvin-scheinman-md-320_2.jpg
Melvin Scheinman, a renowned cardiac electrophysiologist, pioneered catheter ablation in 1981 to treat abnormal heart rhythms. He developed the technique after years of research and experimentation with high-energy electrical currents through catheters.

We Are Rebuilding Monica

https://www.monicahq.com/og/monica-en.png
The author is rebuilding Monica, an open-source personal CRM, after almost a decade of development to address its limitations and changing needs. The new version will focus on relationships as first-class concepts and provide customization options without becoming enterprise software.

Fastpotify

https://fastpotify.rocks/screenshot.png
Winamp is a native binary music player that starts quickly and uses little memory, allowing local playback and control on various devices. It features browsing playlists, search, keyboard shortcuts, and customizable skins for a period-accurate experience.

Keenable SELECT: an agent that searches the web in SQL

https://keenableai.github.io/select-showcase/frontier-ai-researcher-moves-since-2025/thumb.webp?v=ce0dc032
Keenable SELECT is an MCP server that runs DuckDB queries on live web data, filtering and extracting fields with LLM calls. It generates HTML reports from the results, allowing for collaborative research and publishing.

Introducing Ad Blocker for Firefox on iOS

https://blog.mozilla.org/wp-content/blogs.dir/278/files/2026/08/iOS-AdBlocker-1-1000x563.png
Ad Blocker for Firefox on iOS blocks third-party ads and trackers, reducing clutter and distractions while browsing. It's an optional feature that works alongside existing privacy protections in the browser.

A browser-based viewer for Office Open XML documents

https://ooxml.silurus.dev/icon.png
Open-source JavaScript and TypeScript Office file viewer library for rendering DOCX, XLSX and PPTX directly in the browser with WebAssembly and Canvas. No upload or server-side conversion.

Saab Enters Collaborative Combat Aircraft Race with High-End Concept

https://aviationweek.com/sites/default/files/styles/crop_freeform/public/inline-images/SAABCCA_2-Tony_Osborne-AWST.jpg?itok=Y8GbbDL2
Saab has unveiled its A3 collaborative combat aircraft concept, a supersonic, autonomous air vehicle that could be developed in the early 2030s to complement its Gripen E. The A3 is designed to operate in controlled airspace and feature advanced sensors and electronic warfare systems.

Fractal Jittered Voronoi Partitions

https://www.boristhebrave.com/wp-content/uploads/2026/08/fractal_voronoi-997x1024.png
A "jittered" Voronoi variant is a fractal boundary generator that partitions the plane into cells, similar to coastlines. It's computed by recursively halving a grid and finding nearest sites in each layer until an early stopping condition is met or a fixed depth is reached.

Restroom Archive

https://restroomarchive.com/metatag.jpg
A public restroom at the Tri Cities Regional Airport's basement level is accessible despite its disrepair. The remaining structure consists of old pipes, a sink, and windows leading to street level or a dark crawl space.

Tmp.0ut Volume 5

The output is a table of Linux ELF files with various properties and functionalities, including malware examples and security topics. The table lists 20 different ELF files with their respective authors and descriptions.

GPU World

https://www.gpuworld.org/open-graph/1200-630.png?v=nzjqee
The AI revolution will transform humanity with access to frontier LLMs, potentially leading to significant changes in education, healthcare and social media. In a "business as usual" future by 2040, widespread access to high-quality AIs could lead to various benefits and challenges.

Playa Phone

https://playaphone.com/images/booth.3c995833ab2c.jpg
A phone booth is available at Burning Man for free calls to anywhere in the world. Dial +1 (775) 557-4848 to connect with a random Burner or add it as a contact later.

I turned my security cameras into an automatic bird identification system

https://jasontucker.blog/content/images/size/w2400/2026/06/birdnet-2.jpeg
The user set up BirdNet-Go, a bird identification system that uses AI models to analyze audio from security cameras' microphones, identifying birds and other wildlife in real-time. This setup has become a fun game for the user and their wife, providing insights into local biodiversity and even connecting with other birders through a community platform.

EFF to Governor Newsom: Veto California's AB 1709

https://www.eff.org/files/banner_library/ageverificationbanner-3.png
The California legislature passed A.B. 1709, a bill banning social media use for young people under 16, which critics argue is flawed and will harm vulnerable youth and marginalized groups. The law's provisions are expected to create confusion and push platforms to implement invasive age-verification methods, compromising user privacy and free speech.

Terence Tao explains 6 essential mathematical concepts [video]

CollectWise (YC F24) Is Hiring

https://bookface-images.s3.us-west-2.amazonaws.com/logos/a5be02a3378f664e1f80f2a84997514d00f9fc1f.png?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=ASIAQC4NIECAPAPCUTAH%2F20260901%2Fus-west-2%2Fs3%2Faws4_request&X-Amz-Date=20260901T072238Z&X-Amz-Expires=3600&X-Amz-Security-Token=IQoJb3JpZ2luX2VjEN%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLXdlc3QtMiJGMEQCIAkSwq1VkUK5GmO%2Fk3oUIUqukSkZTx%2BmKCjbRmQSnZc%2FAiBigcxyt2EAbjyz0LBNMWUmAW1QNTI%2FvRxRmx5sAEc%2FJCruAwio%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAAaDDAwNjIwMTgxMTA3MiIM1PTAEKydbF418rxlKsID9%2FeeDKxhsFv2f9qUyw6kwNpwis3yJESRRInJkKccGmaPcnBwG8UIW%2FUORp0%2FA%2FufSCwAm5YSQBTpiLEqn9g6TXRtByb3ruTvYfen%2F3FDAYtZMtMVralAc7QOaM1kfutlQkvFPya9mCYuEHgImf0RfBg6DUWDwnA%2FwuoFdlWubp0eUM5LGjGBwN9dfXlyqLjTJEOo5RT8IaidveAe6XICToodnrm6wIZ3Hio0seIimeoTzKI0D8Zid9dnt12ZEKfCc8S2oNfUbOyS2rIcGNBAy88PCDHqrN5HUteFqNVjpxebLhL%2F%2Bs6rplITBMhB4PdGXMVSJZclVpUnayOk28b9JMAwY%2FYrMD5OTRNiE0XR94NaIKRWWPaNvtEn6IZGl%2BxY8ywbNASdVje%2BxnUBcIclUWj12NvX2%2BSSkomaJf3Y382bGjtPnnsG9I%2BdYHFwY%2FLy%2FTCt9EwQK796jZmMKhQchM8Bp3tyc976RcPNTla0jhfZ9wmWU4iTskxNUFLtrOO%2FsDTDTNfWiaYAp%2BgbA5RbjbYrEkceAGkyHaees9s%2FV1j5XibD2hlLgRDCFF2cHDm%2ByXwxCUrbNq5XaYeDsKDImpPsMNH32dQGOqYBcnj05pz4epL%2BDGccvK4gRRNeV3fR42RvMpO9TcHD38PKlN%2F8XMgEY66SawoVaVn4J2N12tFZ7x9wsmskNfQ6knSjffs7LmlO3EVVjGPU%2FNgISMVsL3l2rrtuiOKTeN32v5YjLkOqaWY3oRZR%2F1t6R4F6l%2BygldZ9YzJH3SLbl2rXKKQYiBpidD054rvtUeu4m1MRYOHtRWCBDu%2B1DwXgCFB0HEVNYg%3D%3D&X-Amz-SignedHeaders=host&X-Amz-Signature=d4ddc2ae0cc77d820cda5e0c254eb109ed43e21641c2505d1b07c2bea047dea6
CollectWise is a Y Combinator-backed startup using AI to automate debt collection, hiring a Founding Customer Success Engineer to ensure customer success and expansion. The role involves managing customer relationships, troubleshooting technical issues, and optimizing AI agents for $150k-$180k OTE with equity options.

Dwarf Fortress' creator says the industry's in shambles over AI

https://cdn.mos.cms.futurecdn.net/U8C4YGRTeZ687xyDQ2MbRV.jpg
The game industry faces unsustainable pressures from AI-driven expectations and layoffs, with creators like Tarn Adams criticizing the misalignment between executive visions and real labor. Generative AI has exacerbated misunderstandings, leading to unrealistic demands and a cycle of reckoning.

DIY – Build a Potato Box (2022)

https://www.rebootedmom.com/wp-content/uploads/2020/03/Potato-Planter-8.jpg
Build a potato grow box using 2x4s and wood screws to create a space-efficient garden that yields up to 100 pounds of potatoes in just four square feet. Plant seed potatoes in layers, adding more boards and dirt as the vines grow, and harvest them by removing the bottom boards in early fall.

RotaryCell: Making an unmodified rotary phone work over LTE with an ESP32-S3

https://raw.githubusercontent.com/fregacmols/RotaryCell/main/docs/images/rotarycell-prototype.jpg
RotaryCell converts a traditional rotary phone into a portable, battery-powered cellular phone without modifying the original. The project uses existing telephone parts and adds electronics to create a working prototype that can be carried away from fixed connections.

Dwarf Fortress is getting the mother of all magic updates

https://assetsio.gnwcdn.com/Dwarf-Fortress_l6U4yxY.jpg?width=690&quality=85&format=jpg&dpr=3&auto=webp
Dwarf Fortress is getting a major update with procedural magic systems, allowing for unique and unpredictable magical situations. The update promises to revolutionize the game's existing magic system, enabling discovery-based research and exploration of new forms of sorcery.

A walkable ASCII cyberpunk city in one HTML file [video]

State of Open Models: Summer 2026 Observations

https://cdn-avatars.huggingface.co/v1/production/uploads/1583857146757-5e67bdd61009063689407479.jpeg
The Hugging Face Hub's ecosystem activity has grown significantly, with over 2.96 million public models and 1 million datasets released in the first eight months of 2026. Chinese labs have dominated the field, releasing large models that are often used by developers for local inference and fine-tuning.

Apple caught off guard by AI demand for Mac Mini and Mac Studio

https://images.macrumors.com/t/u267Ev00q3mfyErEf22YvEgCV6o=/400x0/article-new/2026/04/Mac-mini-vs-Studio-Feature-Sans-Text-1.jpg?lossy
Apple unexpectedly released new Mac mini and Mac Studio models due to strong enterprise demand for AI hardware, driven by a boom in AI-driven sales. The early launch coincides with the global memory shortage, leaving many configurations out of stock.