This is a recap of the top 10 posts on Hacker News on Mar 20, 2026.

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

• (00:00) - Intro

Astral to Join OpenAI
https://astral.sh/blog/openai
https://news.ycombinator.com/item?id=47438723

Google details new 24-hour process to sideload unverified Android apps
https://arstechnica.com/gadgets/2026/03/google-details-new-24-hour-process-to-sideload-unverified-android-apps/
https://news.ycombinator.com/item?id=47442690

Show HN: Three new Kitten TTS models – smallest less than 25MB
https://github.com/KittenML/KittenTTS
https://news.ycombinator.com/item?id=47441546

4Chan mocks £520k fine for UK online safety breaches
https://www.bbc.com/news/articles/c624330lg1ko
https://news.ycombinator.com/item?id=47440430

Return of the Obra Dinn: spherical mapped dithering for a 1bpp first-person game
https://forums.tigsource.com/index.php?topic=40832.msg1363742#msg1363742
https://news.ycombinator.com/item?id=47406160

Push events into a running session with channels
https://code.claude.com/docs/en/channels
https://news.ycombinator.com/item?id=47448524

Waymo Safety Impact
https://waymo.com/safety/impact/
https://news.ycombinator.com/item?id=47445246

ArXiv Declares Independence from Cornell
https://www.science.org/content/article/arxiv-pioneering-preprint-server-declares-independence-cornell
https://news.ycombinator.com/item?id=47450478

Cockpit is a web-based graphical interface for servers
https://github.com/cockpit-project/cockpit
https://news.ycombinator.com/item?id=47445599

How the Turner twins are mythbusting modern technical apparel
https://www.carryology.com/insights/how-the-turner-twins-are-mythbusting-modern-gear/
https://news.ycombinator.com/item?id=47416972