1.25.26 | BirdyChat is first European WhatsApp-interoperable app, Claude Code introduces Swarms feature, EV adoption linked to reduced air pollution: study

Hacker News Highlights · Jan 25, 2026 · 11m

This is a recap of the top 10 posts on Hacker News on Jan 25, 2026.

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

(00:00) - Intro

(00:21) - BirdyChat becomes first European chat app that is interoperable with WhatsApp

(01:40) - Claude Code's new hidden feature: Swarms

(02:40) - Adoption of EVs tied to real-world reductions in air pollution: study

(03:52) - Google confirms 'high-friction' sideloading flow is coming to Android

(05:02) - Postmortem: Our first VLEO satellite mission (with imagery and flight data)

(06:19) - Ask HN: Gmail spam filtering…