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

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 suddenly marking everything as spam?
• (07:23) - Raspberry Pi Drag Race: Pi 1 to Pi 5 – Performance Comparison
• (08:31) - Nvidia-smi hangs indefinitely after ~66 days
• (09:36) - Second Win11 emergency out of band update to address disastrous Patch Tuesday
• (10:46) - Deutsche Telekom is violating Net Neutrality
• (11:53) - Outro

BirdyChat becomes first European chat app that is interoperable with WhatsApp
https://www.birdy.chat/blog/first-to-interoperate-with-whatsapp
https://news.ycombinator.com/item?id=46746476

Claude Code's new hidden feature: Swarms
https://twitter.com/NicerInPerson/status/2014989679796347375
https://news.ycombinator.com/item?id=46743908

Adoption of EVs tied to real-world reductions in air pollution: study
https://keck.usc.edu/news/adoption-of-electric-vehicles-tied-to-real-world-reductions-in-air-pollution-study-finds/
https://news.ycombinator.com/item?id=46749198

Google confirms 'high-friction' sideloading flow is coming to Android
https://www.androidauthority.com/google-sideloading-android-high-friction-process-3633468/
https://news.ycombinator.com/item?id=46688804

Postmortem: Our first VLEO satellite mission (with imagery and flight data)
https://albedo.com/post/clarity-1-what-worked-and-where-we-go-next
https://news.ycombinator.com/item?id=46747119

Ask HN: Gmail spam filtering suddenly marking everything as spam?
https://news.ycombinator.com/item?id=46744807

Raspberry Pi Drag Race: Pi 1 to Pi 5 – Performance Comparison
https://the-diy-life.com/raspberry-pi-drag-race-pi-1-to-pi-5-performance-comparison/
https://news.ycombinator.com/item?id=46745922

Nvidia-smi hangs indefinitely after ~66 days
https://github.com/NVIDIA/open-gpu-kernel-modules/issues/971
https://news.ycombinator.com/item?id=46750425

Second Win11 emergency out of band update to address disastrous Patch Tuesday
https://www.windowscentral.com/microsoft/windows-11/windows-11-second-emergency-out-of-band-update-kb5078127-released-address-outlook-bugs
https://news.ycombinator.com/item?id=46750358

Deutsche Telekom is violating Net Neutrality
https://netzbremse.de/en/
https://news.ycombinator.com/item?id=46751899