Cloudflare has recently shared how they uncovered an issue in their Rust implementation of CUBIC, a congestion controller algorithm, which prevented it from recovering from a scenario of heavy packet loss at the start of a connection. By Gianmarco Nalin

InfoQinfoq.comJun 25

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Long Wave radio era set to end with switch-off

28 points, 49 comments on Hacker News

Hacker Newseconomist.comJun 25

2436ENG

Apple to skip high-end M6 Mac chips in favor of AI-focused M7 line

Giftlink: https://www.bloomberg.com/news/articles/2026-06-25/apple-to-... also https://www.msn.com/en-ca/lifestyle/shopping/apple-to-skip-h... Comments URL: https://news.ycombinator.com/item?id=48676795 Points: 131 # Comments: 84

Hacker Newsbloomberg.comJun 25

2437ENG

Structured Primary Keys

Comments

Lobstersmodern-sql.comJun 25

2438ENG

Besimple AI (YC P25) Is Hiring

Article URL: https://www.ycombinator.com/companies/besimple-ai/jobs/yWfhhOR-strategic-projects-lead-audio-data Comments URL: https://news.ycombinator.com/item?id=48676256 Points: 0 # Comments: 0

Hacker Newsycombinator.comJun 25

2439ENG

Dark Sky Lighting

105 points, 12 comments on Hacker News

Hacker Newssavingourstars.orgJun 25

2440ENG

Pierre Zemb from Clever Cloud on FoundationDB

Comments

Lobsterstheconsensus.devJun 25

2441ENG

Show HN: OpenKnowledge – open source AI-first alternative to Obsidian/Notion

Hi HN, Nick here. We’re launching OpenKnowledge (https://openknowledge.ai/), a “what you see is what you get” markdown editor that has direct integrations with Claude, Codex, and Cursor. Available as MacOS app or CLI. Fully free/local and OSS (https://github.com/inkeep/open-knowledge). We built this because we wanted a “Google docs” like experience for writing and sharing markdown files across our team. Obsidian is the best alternative we tried, but found it doesn’t have a true “what you see is what you get” UI and it didn’t integrate well with Claude/Codex outside of community plugins. So we built OpenKnowledge. It takes shape as: 1. A MacOS app with a file navigator, the WYSIWYG editor, and link explorer. 2. Integrations with the Claude, Codex, and Cursor desktop apps. The agents can open an OpenKnowledge editor within their embedded web browsers for a side-by-side experience. 3. Built-in mcps, skills, and RAG for LLM-wiki and “AI Second Brain” scenarios + spec writing 4. An embedded

Hacker Newsgithub.comJun 25

2442ENG

The Boeing 747 begins its final descent

103 points, 108 comments on Hacker News

Hacker Newstheatlantic.comJun 25

2443ENG

An entire Herculaneum scroll has been read for the first time

Preprint: https://scrollprize.org/pdf/main.pdf https://github.com/ScrollPrize/villa Comments URL: https://news.ycombinator.com/item?id=48675179 Points: 718 # Comments: 163

Hacker Newsscrollprize.orgJun 25

2444ENG

IBM debuts sub-1 nanometer chip technology

Article URL: https://newsroom.ibm.com/2026-06-25-ibm-debuts-worlds-first-sub-1-nanometer-chip-technology Comments URL: https://news.ycombinator.com/item?id=48674967 Points: 208 # Comments: 118

Hacker Newsnewsroom.ibm.comJun 25

2445ENG

As banks close accounts, experts point to immigration crackdown

Article URL: https://www.americanbanker.com/news/as-banks-close-accounts-experts-point-to-immigration-crackdown Comments URL: https://news.ycombinator.com/item?id=48674968 Points: 11 # Comments: 2

Hacker Newsamericanbanker.comJun 25

2446ENG

Halvar's Guide to Entrepreneurship

107 points, 34 comments on Hacker News

Hacker Newsthomasdullien.github.ioJun 25

2447ENG

How physicists track and trap the elusive neutrino

Article URL: https://www.quantamagazine.org/how-physicists-track-and-trap-the-elusive-neutrino-20260624/ Comments URL: https://news.ycombinator.com/item?id=48674619 Points: 44 # Comments: 18

Hacker Newsquantamagazine.orgJun 25

2448ENG

The Exhaustion of Talking to a Tool

Comments

Lobstersohadravid.github.ioJun 25

2449ENG

OS9Map

Article URL: https://yllan.org/software/OS9Map/ Comments URL: https://news.ycombinator.com/item?id=48674484 Points: 137 # Comments: 19

Hacker Newsyllan.orgJun 25

2450ENG

Ford rehires 350 engineers after AI fails to preserve expertise or train juniors

Article URL: https://www.bloomberg.com/news/articles/2026-06-25/ford-has-been-rehiring-quality-inspectors-after-ai-fell-short Comments URL: https://news.ycombinator.com/item?id=48674446 Points: 174 # Comments: 97

Hacker Newsbloomberg.comJun 25

2451ENG

Do Babies Dream of Baby Sheep?

22 points, 9 comments on Hacker News

Hacker Newsdevz.clJun 25

2452ENG

Apple increases MacBook and iPad prices by 20%

Article URL: https://www.ft.com/content/0f067265-2baf-4b6e-8fb2-ed56daef6f3c Comments URL: https://news.ycombinator.com/item?id=48674096 Points: 67 # Comments: 26

Hacker Newsft.comJun 25

2453ENG

Zig's New BitCast Semantics and LLVM Back End Improvements

Article URL: https://ziglang.org/devlog/2026/#2026-06-25 Comments URL: https://news.ycombinator.com/item?id=48673825 Points: 46 # Comments: 8

Hacker Newsziglang.orgJun 25

2454ENG

Ask HN: What surprised you about Estonia e-Residency and running an Estonian OÜ?

From the official information online, joining the e-Residency program and setting up an Estonian company seems relatively straightforward. I'm considering using an Estonian OÜ for a SaaS business and would love to hear from people who have actually gone through the process. What surprised you after becoming an e-resident and establishing your company? Were there recurring costs, compliance requirements, banking/payment issues, tax complications, or other operational challenges you didn't anticipate? How easy has it been to run the company remotely? Have you ever needed to travel to Estonia to resolve an issue? Looking back, would you do it again? What do you wish you had known before getting started? I'd appreciate any lessons learned, gotchas, or advice from current or former e-residents. Comments URL: https://news.ycombinator.com/item?id=48673801 Points: 54 # Comments: 29

Hacker Newsnews.ycombinator.comJun 25

2455SEC

Chrome Ad Blocker with 10M+ Installs Found with Dormant Script Injection Capability

An analysis of a popular Google Chrome ad block extension for YouTube has uncovered the ability to execute arbitrary JavaScript code. According to Island, the extension, named Adblock for YouTube (ID: cmedhionkhpnakcndndgjdbohmhepckk), has more than 10 million installs and carries a Featured badge on the Chrome Web Store. The extension description states that it allows users to prevent web

The Hacker News (Security)thehackernews.comJun 25

2456ENG