This is a recap of the top 10 posts on Hacker News on Dec 22, 2025.

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

• (00:00) - Intro

The Going Dark initiative or ProtectEU is a Chat Control 3.0 attempt
https://mastodon.online/@mullvadnet/115742530333573065
https://news.ycombinator.com/item?id=46347080

Show HN: Books mentioned on Hacker News in 2025
https://hackernews-readings-613604506318.us-west1.run.app
https://news.ycombinator.com/item?id=46345897

A guide to local coding models
https://www.aiforswes.com/p/you-dont-need-to-spend-100mo-on-claude
https://news.ycombinator.com/item?id=46348329

Show HN: WalletWallet – create Apple passes from anything
https://walletwallet.alen.ro/
https://news.ycombinator.com/item?id=46345745

I'm just having fun
https://jyn.dev/i-m-just-having-fun/
https://news.ycombinator.com/item?id=46287253

CO2 batteries that store grid energy take off globally
https://spectrum.ieee.org/co2-battery-energy-storage
https://news.ycombinator.com/item?id=46345506

I program on the subway
https://www.scd31.com/posts/programming-on-the-subway
https://news.ycombinator.com/item?id=46294694

Disney Imagineering Debuts Next-Generation Robotic Character, Olaf
https://disneyparksblog.com/disney-experiences/robotic-olaf-marks-new-era-of-disney-innovation/
https://news.ycombinator.com/item?id=46348847

Deliberate Internet Shutdowns
https://www.schneier.com/blog/archives/2025/12/deliberate-internet-shutdowns.html
https://news.ycombinator.com/item?id=46316050

Rue: Higher level than Rust, lower level than Go
https://rue-lang.dev/
https://news.ycombinator.com/item?id=46348262