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The recently proposed O(n log n) integer multiplication algorithm [pdf]https://web.maths.unsw.edu.au/~davidharvey/research/subnlogn.pdf

Article URL: https://web.maths.unsw.edu.au/~davidharvey/research/subnlogn.pdf Comments URL: https://news.ycombinator.com/item?id=50190455 Points: 6 # Comments: 1

Hackers Exploited the PHP Vulnerabilities Days Before They Were Patchedhttps://www.wired.com/story/hackers-exploited-the-php-vulnerabilities-days-before-they-were-patched

Amazon Web Services logged attempts to leverage the internet-melting PHP2Shell bugs four days ago. They're now being β€œbroadly exploited” across the internet.

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Show HN: HN Sieve – every Show HN scored and summarized by AIhttps://hnsieve.com

Article URL: https://hnsieve.com Comments URL: https://news.ycombinator.com/item?id=50190403 Points: 1 # Comments: 0

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LLM Agents Play Pokemon Showdownhttps://olivergrabner.com/research/pokemon

Article URL: https://olivergrabner.com/research/pokemon/ Comments URL: https://news.ycombinator.com/item?id=50190334 Points: 3 # Comments: 0

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UK's gaps in Arctic defence leave it open to Russian attacks, committee warnshttps://www.bbc.co.uk/news/articles/cmj471wgpky7o

A report by MPs urges the UK to address capability gaps including a lack of Royal Navy warships and submarines, as Russia seeks to dominate the region.

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Show HN: Find duplicates in 5 lines of Python (offline, lightweight, fast, Rust)https://github.com/leopoldch/univo

Article URL: https://github.com/leopoldch/univo Comments URL: https://news.ycombinator.com/item?id=50190272 Points: 1 # Comments: 0

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Epic vs. Apple AU:Court Orders Alt App Stores,Sideloading and 3rd Party Paymentshttps://www.judgments.fedcourt.gov.au/judgments/Judgments/fca/single/2026/2026fca1552

Article URL: https://www.judgments.fedcourt.gov.au/judgments/Judgments/fca/single/2026/2026fca1552 Comments URL: https://news.ycombinator.com/item?id=50190168 Points: 4 # Comments: 1

Show HN: HarnessHive – collaborative wiring harness design platform in browserhttps://harnesshive.com

Hey HN! We built https://harnesshive.com , a browser based tool to help you design wiring harnesses together. HarnessHive has three key features 1) multiple engineers editing the same harness in real time 2) BOM and drawings that stay in sync automatically and 3) AI-native agent + MCP to assist designing. We hope HarnessHive can make harness design less painful than Excel and Visio for some of you :). Let me know if you have any questions/comments/feature requests! Comments URL: https://news.ycombinator.com/item?id=50190012 Points: 1 # Comments: 0

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Show HN: GitPushups, block your code if you don't do pushups during your workdayhttps://gitpushups.com

Hi HN! I made this tool for a hackathon last year and since then me and other developers have done ~40K pushups during our workday. I've made all the features free (originally was freemium to compete in RevenueCat's Shipaton 2025) and also added an apple watch app. More on those changes in the first "monthly press" update: https://gitpushups.com/monthly-press/october-2026 What do you think? Comments URL: https://news.ycombinator.com/item?id=50189982 Points: 1 # Comments: 0

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How Mark Zuckerberg Pushed Meta to Shield Him From California’s Proposed Wealth Tax

Mark Zuckerberg, the chief executive of Meta, at his home in Lake Tahoe, Calif. He has another California home in Palo Alto, close to Meta’s headquarters.

Criminals who skip sentencing will face solitary confinement or lose social visitshttps://www.bbc.co.uk/news/articles/cr74p0zkd4jjo

Judges will be given new powers to impose tougher prison punishments on offenders who refuse to face their victims' families during sentencing.

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Canadian publisher BorΓ©al ends relationship with novelist ThΓ©lyson OrΓ©lien over alleged use of AIhttps://www.theguardian.com/culture/2026/oct/22/canadian-publisher-boreal-ends-relationship-author-thelyson-orelien-over-ai

Author withdrawn from France’s Prix Goncourt last month has repeatedly denied using artificial intelligence to write novel The publisher of top-selling Haitian Canadian writer ThΓ©lyson OrΓ©lien, who was removed from France’s most prestigious literary prize list last month, has confirmed the author used artificial intelligence to help write his novel C’était Γ§a ou mourir (It Was Either That or Die). OrΓ©lien has denied allegations that he used AI on his breakthrough novel and, last week, Canadian publisher Les Γ‰ditions du BorΓ©al said it was standing by the 38-year-old writer. Contin…

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US State Department orders some staff to leave Saudi Arabia as attacks escalatehttps://www.bbc.co.uk/news/articles/c6x2vpk93770o

The warning to US officials comes as at least three people die in the latest strikes at an airport and an oil field.

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The era of speedball capitalism has dawnedhttps://www.economist.com/business/2026/09/30/the-era-of-speedball-capitalism-has-dawned

Article URL: https://www.economist.com/business/2026/09/30/the-era-of-speedball-capitalism-has-dawned Comments URL: https://news.ycombinator.com/item?id=50189666 Points: 12 # Comments: 1

Show HN: Twine is a meta-harness with workflows, cross-agent memories and traceshttps://github.com/standing-desks/twine

Built this out because I wasn’t happy with conductor, orca, or the other vscode derivative platforms. Please let me know if you guys have any feedback for me Comments URL: https://news.ycombinator.com/item?id=50189550 Points: 1 # Comments: 0

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Citing 'challenges,' AIPAC halts endorsements and direct contributions to candidateshttps://www.npr.org/2026/10/21/nx-s1-6011531/aipac-campaign-contributions-israel-democrats

The pro-Israel lobbying group and influential political donor announced it would no longer endorse candidates or give directly to campaigns, instead mobilizing its members to give individually.

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The Papers: 'Drill, Andy Drill!' and a Budget for 'bloody-minded entrepreneurs'https://www.bbc.co.uk/news/articles/cq3djn4mmypko

Several of today's papers continue to follow the "storm" surrounding Andy Burnham's decision to approve a new gas field and what that will mean for future ones.

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The Justice Department begins notifying counties where it wants to monitor electionshttps://www.npr.org/2026/10/21/nx-s1-6009896/justice-department-monitors

The department has long deployed election monitors, but the Trump administration's unprecedented steps to try to wrestle control over elections have led to new concerns about DOJ monitoring this year.

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Tesla says it will start selling Cybercabs by end of yearhttps://techcrunch.com/2026/10/21/tesla-says-it-will-start-selling-cybercabs-by-end-of-year

Tesla said Wednesday it will start selling its Cybercab to customers by the end of the year, even as federal regulators investigate whether the vehicle meets vehicle safety standards. The gold-hued, autonomous two-seater, which lacks a steering wheel and other traditional controls. During the company’s third-quarter earnings call, Lars Moravy, vice president of engineering at […]

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When Do We Become the Person We Ought to Be?https://www.graphsaboutreligion.com/p/when-do-we-become-the-person-we-ought

Article URL: https://www.graphsaboutreligion.com/p/when-do-we-become-the-person-we-ought Comments URL: https://news.ycombinator.com/item?id=50189278 Points: 4 # Comments: 0

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The real reasons US politicians are getting olderhttps://www.bbc.co.uk/news/articles/cmde8rr2d6eno

No country for young men and women: why do older politicians seem to have such a tight grip on the US political system?

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mitmproxy adds --emudhra optionhttps://github.com/mitmproxy/mitmproxy/commit/169234499088fc2c414644a67efaed3d64ae2e3b

Article URL: https://github.com/mitmproxy/mitmproxy/commit/169234499088fc2c414644a67efaed3d64ae2e3b Comments URL: https://news.ycombinator.com/item?id=50189232 Points: 19 # Comments: 3

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YouTube says it isn’t testing hiding the dislike buttonhttps://www.theverge.com/streaming/1016206/youtube-dislike-button-videos

On Tuesday, I published a story about how YouTube appeared to be testing hiding the dislike button on videos, with at least two users on X sharing screenshots of the dislike button moved into the three-dot menu. But a YouTube spokesperson, in a Wednesday statement to The Verge, confirmed that YouTube is "not testing hiding […]

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Show HN: I built a Markdown and raw HTML blog platform scoring 99 on PageSpeedhttps://bloffy.co/en

Hello. I built a blogging platform on my own over two years. I like running my blog, but I couldn't find a blogging platform I really liked. First. I thought a blog had to be really lightweight. Fortunately, after a lot of effort, I was able to achieve satisfactory results. (99 to 100 score) Here is a sample blog: https://bloffy.bloffy.blog/en You can check it with PageSpeed Insights: https://pagespeed.web.dev/analysis?url=https://bloffy.bloffy... SEO score of the sample blog is low because I blocked it from search engine indexing (noindex). Second. I think bloggers should have control over t…

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Show HN: I built a Markdown and raw HTML blog platform scoring 99 on PageSpeedhttps://bloffy.co/en

Hello. I built a blogging platform on my own over two years. I like running my blog, but I couldn't find a blogging platform I really liked. First. I thought a blog had to be really lightweight. Fortunately, after a lot of effort, I was able to achieve satisfactory results. (99 to 100 score) Here is a sample blog: https://bloffy.bloffy.blog/en You can check it with PageSpeed Insights: https://pagespeed.web.dev/analysis?url=https://bloffy.bloffy... SEO score of the sample blog is low because I blocked it from search engine indexing (noindex). Second. I think bloggers should have control over t…

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Airbnb bans making guests do dishes and take out the trashhttps://www.theverge.com/tech/1015844/airbnb-chores-house-rules-update

Article URL: https://www.theverge.com/tech/1015844/airbnb-chores-house-rules-update Comments URL: https://news.ycombinator.com/item?id=50189150 Points: 18 # Comments: 4

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Tesla says customers can add their own vehicles to the robotaxi fleet next year β€” will it happen?https://www.theverge.com/transportation/1016118/tesla-robotaxi-customer-owned-vehicle-fleet-network-q3-2026-earnings

For years, Elon Musk has been making big promises to Tesla owners about unsupervised autonomous driving and the ability to add their own vehicles to the company's robotaxi fleet. During today's third-quarter earnings call, the company finally gave itself a deadline. According to Tesla VP for Autonomous Driving Ashok Elluswamy, Tesla owners will be able […]

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Show HN: CertAvert – Free SSL/TLS tools and certificate expiry alertshttps://certavert.com

Article URL: https://certavert.com Comments URL: https://news.ycombinator.com/item?id=50189110 Points: 1 # Comments: 0

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The 'trillion pound' oil fund the government believes Britain could have builthttps://www.bbc.co.uk/news/articles/cm4g1zrl2nrqo

For the first time, the Treasury calculates how much the UK could have raised by investing North Sea proceeds.

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Show HN: ZeGrapher v4: modern math plotterhttps://zegrapher.com/en

ZeGrapher is a free an open-source math plotter, first release in 2011 (I thought there were no such app on Linux at the time), that I kept sporadically updating ever since. Last version was 6 years ago but a lot of work went into it. v4 is a near complete rewrite to a modern interface and approach, inspired by desmos. Interesting differenciating features: - Computing and plotting recursive sequences - svg and pdf export at the physical size you see or set on your screen, in centimeters - "schrodinger" constants: define constants that take many values at once, any expression that depends on i…

Κ = 0.003 for integer multiplication crossedhttps://github.com/CrocSwap/integer-mult-bounds/pull/4441

Article URL: https://github.com/CrocSwap/integer-mult-bounds/pull/4441 Comments URL: https://news.ycombinator.com/item?id=50189023 Points: 5 # Comments: 1

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Show HN: Embodsi – Embodied Super Intelligencehttps://embodsi.com

embodsi is a generative AI MMO experience that runs in the browser. It allows people to communicate (text, audio, video, avatar emotes and movement) and collaboratively build 3D spaces and games via LLMs connected to harnesses and sandboxes for object modeling, space layout, game logic, and driving persistent avatars with shared context and memory. It’s different from existing 3D social apps (AFAIK) because it enables people to build multiplayer virtual worlds, games, and characters with generative AI right from their browser (desktop, mobile, or VR), in nearly infinitely-extendable recursi…

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There isn't an easy exploit for this PHP vulnerabilityhttps://eliastaylor.com/noexploit

Article URL: https://eliastaylor.com/noexploit/ Comments URL: https://news.ycombinator.com/item?id=50188948 Points: 10 # Comments: 1

The grads ditching the UK for a fresh start abroadhttps://www.bbc.co.uk/news/articles/cmzxj4e8w44vo

With graduate jobs hard to come by, more young adults are reported to be considering emigrating.

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Goal, assist... goal-kick - Kane underlines Ballon d'Or credentialshttps://www.bbc.co.uk/sport/football/articles/ck79p7qq1q9ro

Why Declan Rice backs his England team-mate Harry Kane to win the Ballon d'Or after Arsenal's draw with Bayern Munich in the Champions League.

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Trump's green card curbs test Indian tech workers' American dreamhttps://www.bbc.co.uk/news/articles/cqj34j7dk771o

With immigration curbs and tech firms cutting foreign hiring, US residency is becoming a distant dream for many Indians.

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'Betrayed by my body': The taboo health issue women are talking about on social mediahttps://www.bbc.co.uk/news/articles/cwly3g0g371go

Women are sharing their experiences with chronic urinary tract infections on social media in an effort to break the stigma surrounding UTIs.

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Only one female scientist named in GCSEs, research findshttps://www.bbc.co.uk/news/articles/c69wzv5pg447o

A new study finds Rosalind Franklin is the only woman named in Key Stage 4 science specifications.

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The four locations in the running to be UK City of Culture 2029https://www.bbc.co.uk/news/articles/c6jrw03njgxzo

The winner, announced in early 2027, will receive Β£10m to deliver a year of cultural activities.

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Diabetes and ADHD drugs to be tested on Alzheimer's patients in new studyhttps://www.bbc.co.uk/news/articles/cqlye4v721nwo

Drugs will be tested simultaneously, which it's hoped will speed up the process of finding new treatments for this common type of dementia.

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Airbnb hosts can no longer make guests strip beds and wash dishes under new ruleshttps://www.bbc.co.uk/news/articles/c6n049gg75r4o

The updated policy will apply to all reservations booked on the accommodation site on or after 20 November.

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Saka injury 'does not look good' - how will Arsenal cope?https://www.bbc.co.uk/sport/football/articles/ckg5j1zdn4m3o

Mikel Arteta says the quadriceps injury Arsenal's Bukayo Saka picked up in the Champions League draw with Bayern Munich "does not look good at all".

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Mark Zuckerberg Agrees to Stay in California Despite Billionaires’ Tax Ballot Measurehttps://www.wired.com/story/mark-zuckerberg-agrees-to-stay-in-california-despite-billionaires-tax-ballot-measure

Meta’s board feared that its CEO’s departure could disrupt the company’s AI ambitions. A new stock agreement gives him financial incentives to stay put.

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Data centers could erase decades of air quality gainshttps://www.theverge.com/ai-artificial-intelligence/1015958/data-center-pollution-rising-report

A rush of new data centers could bring air pollution roaring back to levels not seen since the 2000s in Texas, which has become ground zero for the physical infrastructure behind generative AI. New and proposed data centers are demanding a tremendous amount of electricity. How developers and utilities meet that demand - with gas […]

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Postgres recovery_prefetch can cause outageshttps://ardentperf.com/2026/10/20/postgres-recovery_prefetch-considered-harmful-and-causing-outages

Article URL: https://ardentperf.com/2026/10/20/postgres-recovery_prefetch-considered-harmful-and-causing-outages/ Comments URL: https://news.ycombinator.com/item?id=50188614 Points: 4 # Comments: 0

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Qpack amplification attacks against HTTP/3 servershttps://foxio.io/blog/header-accordions-qpack-amplification-attacks-against-http-3-servers

Article URL: https://foxio.io/blog/header-accordions-qpack-amplification-attacks-against-http-3-servers Comments URL: https://news.ycombinator.com/item?id=50188612 Points: 9 # Comments: 1

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Show HN: ReviewerAgent and StopContinue, for CC and Codex with Pihttps://github.com/rladr-org/reviewer-agent

This package is designed to solve two problems: 1. Frontier models like Fable 5.1, Opus 5.5, Astra 6.0 and Sol 6.1 all make errors and bugs that can be found by another model (even a much smaller model like Luna). 2. In what is supposed to be a long development run, for example against a plan, models will decide to stop before they are finished, when there is obviously more work to do, or to ask a question they already should know the answer to. ReviewerAgent blocks git commits and sends them to another agent that reviews the staged files and either allows the commit or returns a list of issu…

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Oracle Security Alert Advisory – CVE-2026-91403https://www.oracle.com/security-alerts/alert-cve-2026-91403.html

Article URL: https://www.oracle.com/security-alerts/alert-cve-2026-91403.html Comments URL: https://news.ycombinator.com/item?id=50188443 Points: 12 # Comments: 2

Airbnb limits chores for guests, sparking backlash from hostshttps://techcrunch.com/2026/10/21/airbnb-limits-chores-for-guests-sparking-backlash-from-hosts

Hosts are threatening to leave the platform after Airbnb says that they can no longer require guests to strip beds or do other time-consuming cleaning chores.

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Japan is known for world-class events - but the Asian Games were chaotichttps://www.bbc.co.uk/news/articles/cvze414811jlo

Hotel chaos, transport mishaps and diplomatic blunders cast a spotlight on organisers and the firm hired to deliver the games.

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Railway Security(Compromise) Disclosurehttps://blog.railway.com/p/security-disclosure-wednesday-october-21st

Article URL: https://blog.railway.com/p/security-disclosure-wednesday-october-21st Comments URL: https://news.ycombinator.com/item?id=50188228 Points: 21 # Comments: 2

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Airbnb Hosts Are Furious They Can No Longer Make Guests Do Their Choreshttps://www.wired.com/story/airbnb-hosts-are-furious-they-can-no-longer-make-guests-do-their-chores

Some hosts are threatening to strike, while others are plotting ways around Airbnb’s new restrictions. Guests, meanwhile, are celebrating.

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Tesla profits drop 43% in Q3https://arstechnica.com/cars/2026/10/tesla-profits-drop-43-in-q3

Tesla’s once-booming energy storage business also shrunk in Q3 2026.

Meta to create a new class of shares to fund AI pushhttps://www.theverge.com/tech/1015799/meta-shares-class-ai-q3-2026-earnings

Meta says it's issuing a new class of shares to fund its AI initiatives. As part of its third-quarter earnings report released on Wednesday, the company says the non-voting stock will also go toward potential acquisitions and employee compensation, with trading beginning in 2027. "The scale of investment required to compete, sustain growth, expand infrastructure, […]

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Show HN: Professionally maintained Tree-sitter compatible WASM grammarshttps://powderworks.dev

I got tired of patching Tree-sitter grammars while I was building linting tools, so much so that I ended up writing a custom parsing framework and a bunch of custom grammars for popular languages. I figured I wasn't alone and that others would be hitting the same problem, especially with all the slop code being produced out there these days. So, I'm happy to now offer commercial support for an ever-expanding library of Tree-sitter compatible Wasm grammars that are continuously updated and well-tested. Shoot me an email at info@powderworks.dev and we can get you set up. If there are specific l…

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Show HN: The Steam Frame's wireless adapter isn't what you thinkhttps://github.com/Sharktheone/steamframe-dongle

I've built a tool which can setup the SteamFrame's own hidden wireless AP ride on your Linux x86 PC. It works, read the story about it in the README.md Happy to discuss. I accept patches for platform support, but I don't own a Windows or Linux arm device to test it properly myself. Comments URL: https://news.ycombinator.com/item?id=50187838 Points: 1 # Comments: 0

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TechCrunch Founder Summit 2026: Everything you need to knowhttps://techcrunch.com/2026/10/21/techcrunch-founder-summit-2026-everything-you-need-to-know

TechCrunch Founder Summit is a full-day gathering in Boston on November 4 where founders across all stages connect with top VCs and experienced entrepreneurs to gain tactical insights on building and scaling their companies.

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