Hacker News Highlights13 Dec 2025

12.13.25 | Apple ID locked, macOS 26.2 fast AI clusters, OpenAI adopts skills in ChatGPT and Codex CLI

This is a recap of the top 10 posts on Hacker News on Dec 13, 2025.

Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro
(00:20) - Apple has locked my Apple ID, and I have no recourse. A plea for help
(01:24) - macOS 26.2 enables fast AI clusters with RDMA over Thunderbolt
(02:37) - OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI
(03:42) - Koralm Railway
(04:41) - Sick of smart TVs? Here are your best options
(05:53) - Rats Play DOOM
(06:47) - GNU Unifont
(08:00) - String theory inspires a brilliant, baffling new math proof
(09:11) - Show HN: I made a spreadsheet where formulas also update backwards
(10:25) - Show HN: Tiny VM sandbox in C with apps in Rust, C and Zig
(11:29) - Outro

Apple has locked my Apple ID, and I have no recourse. A plea for help
https://hey.paris/posts/appleid/
https://news.ycombinator.com/item?id=46252114

macOS 26.2 enables fast AI clusters with RDMA over Thunderbolt
https://developer.apple.com/documentation/macos-release-notes/macos-26_2-release-notes#RDMA-over-Thunderbolt
https://news.ycombinator.com/item?id=46248644

OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI
https://simonwillison.net/2025/Dec/12/openai-skills/
https://news.ycombinator.com/item?id=46250332

Koralm Railway
https://infrastruktur.oebb.at/en/projects-for-austria/railway-lines/southern-line-vienna-villach/koralm-railway
https://news.ycombinator.com/item?id=46242871

Sick of smart TVs? Here are your best options
https://arstechnica.com/gadgets/2025/12/the-ars-technica-guide-to-dumb-tvs/
https://news.ycombinator.com/item?id=46243655

Rats Play DOOM
https://ratsplaydoom.com/
https://news.ycombinator.com/item?id=46248323

GNU Unifont
https://unifoundry.com/unifont/index.html
https://news.ycombinator.com/item?id=46248859

String theory inspires a brilliant, baffling new math proof
https://www.quantamagazine.org/string-theory-inspires-a-brilliant-baffling-new-math-proof-20251212/
https://news.ycombinator.com/item?id=46245622

Show HN: I made a spreadsheet where formulas also update backwards
https://victorpoughon.github.io/bidicalc/
https://news.ycombinator.com/item?id=46234734

Show HN: Tiny VM sandbox in C with apps in Rust, C and Zig
https://github.com/ringtailsoftware/uvm32
https://news.ycombinator.com/item?id=46249538

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Avsnitt(591)

9.8.26 | LG Spy TVs problem, Mistral raises €3B, Jellyfin 12.0

This is a recap of the top 10 posts on Hacker News on Sep 8, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:16) - 216M Spy TVs – The L...

8 Sep 14min

9.7.26 | Nitter and XCancel resume service, Keep Our Servers Running, Asahi Linux on M3

This is a recap of the top 10 posts on Hacker News on Sep 7, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:19) - Nitter and XCancel r...

7 Sep 13min

9.6.26 | Nitter has more instances, German rocket reaches orbit from Europe, Chrome exempts Google from data settings

This is a recap of the top 10 posts on Hacker News on Sep 6, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:15) - Nitter has more work...

6 Sep 13min

9.5.26 | OpenAI agent message board, Fermat's Last Theorem formalized, Chromium sandbox RCE exploited

This is a recap of the top 10 posts on Hacker News on Sep 5, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:18) - Discovery of a new O...

5 Sep 13min

9.4.26 | .name Termination, GPT-6 Astra, Any Human Ever life selection

This is a recap of the top 10 posts on Hacker News on Sep 4, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:19) - .name Termination (0...

4 Sep 14min

9.3.26 | Gemini 3.8 Flash and Cyber, Muse Spark 1.3, opt out of training data

This is a recap of the top 10 posts on Hacker News on Sep 3, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:19) - Gemini 3.8 Flash and...

3 Sep 13min

9.2.26 | Claude Fable 5.1 and Claude Mythos 5.1, Ed Zitron's AI skeptic predictions, Ad Blocker for Firefox on iOS

This is a recap of the top 10 posts on Hacker News on Sep 2, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:19) - Claude Fable 5.1 and...

2 Sep 13min

9.1.26 | Playa Phone, bird identification system from security cameras, Terence Tao explains six essential mathematical concepts

This is a recap of the top 10 posts on Hacker News on Sep 1, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights(00:00) - Intro (00:19) - Playa Phone (01:23) ...

1 Sep 12min