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RL Is Everything, Everywhere, All at Once

https://skypilot.ai/blog/rl-everything
1•covi•1m ago•0 comments

Show HN: Pqp, an open-source Discord alternative with watch parties

https://github.com/rafaelcg/pqp
1•rafgg•4m ago•0 comments

Ctenophores: Wonders of Biology

https://www.quantamagazine.org/ctenophores-arent-just-beautiful-theyre-biological-wonders-20260916/
1•randomImmigrant•6m ago•0 comments

Understanding Why You'd Use Effect TS

https://cm.xyz/blog/understanding-why-youd-use-effect-ts
1•handfuloflight•8m ago•0 comments

Show HN: Spendalyst – tells you when a recurring charge changes price

https://app.spendalyst.com/demo
1•Fsmith10•9m ago•0 comments

CV Forge – tailor your resume to any job with AI

https://shop.lumnika.com/compliancesnap/
1•deusautoai725•12m ago•0 comments

Where Rust Ends and the Kernel Begins

https://cacm.acm.org/blogcacm/where-rust-ends-and-the-kernel-begins/
1•sohkamyung•14m ago•0 comments

Mission Kit

https://missionkit.io/
1•dadado•17m ago•1 comments

Evaluating S2S Model Quality with Human Preference Data

https://research.withdavid.ai/blog/st-s2s-eval
1•EliasLittle•22m ago•0 comments

"Start with a Monolith" Was Good Advice. AI Is Changing That

https://medium.com/scalar-engineering/architecture-in-the-ai-era-part-1-summary-start-with-a-mono...
1•feeblefakie•23m ago•1 comments

Snap launches $2,195 Specs smart glasses

https://finance.yahoo.com/technology/article/snap-launches-2195-specs-smart-glasses-234000058.html
2•geoffbp•25m ago•0 comments

DeepSeek-v4.1 Flash: Pushing the Limits of KV Cache Compression

https://zartbot.github.io/blog/model_arch/dsv41flash_arch/en.html
2•mfiguiere•25m ago•0 comments

What regulatory capture actually looks like

https://marginalrevolution.com/marginalrevolution/2026/09/what-regulatory-capture-actually-looks-...
1•maxutility•25m ago•0 comments

Tin: full-text search for Postgres

https://planetscale.com/blog/introducing-tin
1•gtCameron•31m ago•0 comments

Part-human part-mouse brain developed in science breakthrough

https://www.bbc.com/news/articles/c60m3k28j81mo
2•marc__1•32m ago•0 comments

Show HN: FastRecall, ultra-cheap memory across AI models

https://fastrecall.ai/
1•tomrose•33m ago•0 comments

Michael Burry slams OpenAI, Anthropic for 'self-serving' calls to slow AI

https://nypost.com/2026/09/14/business/big-short-trader-michael-burry-slams-openai-anthropic-for-...
6•nsagent•34m ago•0 comments

Spanish data watchdog publicises first AI agent-linked data breach report

https://www.reuters.com/business/spanish-data-watchdog-publicises-first-ai-agent-linked-data-brea...
2•geoffbp•36m ago•0 comments

Xcode-Project-Format

https://github.com/apple/xcode-project-format
2•interpol_p•37m ago•0 comments

Flowchart: How pixels become an Apple Reference Image

https://claude.ai/artifact/BcyyGRDRimvZgza7d9ts1c
1•alwillis•43m ago•0 comments

Supply Chain Compromise of Korean-Language Windows 11 Installation Media

https://www.logpresso.com/en/blog/2026-09-08-windows11-report-eng
2•ledoge•49m ago•1 comments

Pangram – AI detector for text and images

https://www.pangram.com
1•doodlesdev•52m ago•0 comments

Migrating the GitHub Copilot Runtime to Rust, Using Copilot

https://github.blog/ai-and-ml/generative-ai/migrating-the-github-copilot-runtime-to-rust-using-co...
3•abraham•52m ago•1 comments

Game UI Database

https://www.gameuidatabase.com
2•andsoitis•55m ago•0 comments

Found a B2B billing stack for my agency that doesn't feel like 2010

https://cordhq.app/
1•andrevalleo•55m ago•0 comments

Pro UI: native grade components for pro software

https://pro-ui.dev/
2•handfuloflight•56m ago•0 comments

Page Shield ML caught 4 storefront malware campaigns scanners missed

https://blog.cloudflare.com/client-side-security-finds-4-malicious-campaigns/
2•iamsyr•57m ago•0 comments

Why the Postpandemic Tech Bust Sent Billionaires to Trump

https://www.wired.com/story/against-tech-oligarchy-book-excerpt-trump-billionaries/
3•jacobolus•57m ago•0 comments

Hacker puts 'full redundancy' code-hosting firm out of business (2014)

https://www.pcworld.com/article/439918/hacker-puts-full-redundancy-codehosting-firm-out-of-busine...
1•doodlesdev•1h ago•0 comments

OpenAI Discloses Six New Incidents of ‘Concerning’ A.I. Behavior

https://www.nytimes.com/2026/09/16/technology/openai-model-safety-guardrails.html
33•jbegley•1h ago•20 comments
Open in hackernews

Migrating the GitHub Copilot Runtime to Rust, Using Copilot

https://github.blog/ai-and-ml/generative-ai/migrating-the-github-copilot-runtime-to-rust-using-copilot/
3•abraham•52m ago

Comments

doodlesdev•50m ago
In my personal experience, GitHub Copilot is pretty weak. Maybe it's just that I've used smaller models on it, but it just felt like the worst available harness, even behind Google Antigravity's.

Is there any redeeming quality to it nowadays? I'm curious what those eight hundred thousand lines of Rust actually do.

From what I understand, this runtime is used across a bunch of other Microsoft products with the "Copilot" naming. Does anyone understand Microsoft's current naming scheme regarding these products? I couldn't get even GPT 6 Astra to explain it reasonably to me.

Well, I guess I'm not even going to comment on my personal experience with Microsoft Copilot, or whatever bs that dashboard that launches the Office apps with an integrated AI chat is called.

Lastly, but not least:

   > During the port, the runtime took in ~300,000 production lines of TypeScript and shed ~430,000, while ~1,200,000 production Rust lines entered and ~365,000 left. In other words, the apparent stability of the TypeScript line in the above graph was actually hiding significant amounts of TypeScript churn.
This is the part I find really interesting. The resulting runtime is ~830k lines of production Rust. Even using their estimate that ~430k lines of production TypeScript passed through the port, that's still nearly twice as much production code.

They also say that agents wrote most of the Rust. Given how verbose LLM-generated code tends to be, I'd really like to see some analysis of why the implementation grew that much. How much of it is Rust and the new architecture, and how much is simply code the agents generated because generating more code is cheap?

The article points at the hidden TypeScript churn, but to me the much more interesting number is that ~1.2 million lines of Rust entered and ~365k were subsequently removed.