Hacker News Highlights

This is a recap of the top 10 posts on Hacker News on May 23, 2025.

Claude 4
https://www.anthropic.com/news/claude-4
https://news.ycombinator.com/item?id=44063703

Mozilla to shut down Pocket and Fakespot
https://support.mozilla.org/en-US/kb/future-of-pocket
https://news.ycombinator.com/item?id=44063662

That fractal that's been up on my wall for years
https://chriskw.xyz/2025/05/21/Fractal/
https://news.ycombinator.com/item?id=44063248

Improving performance of rav1d video decoder
https://ohadravid.github.io/posts/2025-05-rav1d-faster/
https://news.ycombinator.com/item?id=44061160

Show HN: Defuddle, an HTML-to-Markdown alternative to Readability
https://github.com/kepano/defuddle
https://news.ycombinator.com/item?id=44067409

The Future of Flatpak
https://lwn.net/Articles/1020571/
https://news.ycombinator.com/item?id=44068400

I Built My Own Audio Player
https://nexo.sh/posts/why-i-built-a-native-mp3-player-in-swiftui/
https://news.ycombinator.com/item?id=44062227

Fast Allocations in Ruby 3.5
https://railsatscale.com/2025-05-21-fast-allocations-in-ruby-3-5/
https://news.ycombinator.com/item?id=44062160

Does Earth have two high-tide bulges on opposite sides? (2014)
http://physics.stackexchange.com/questions/121830/does-earth-really-have-two-high-tide-bulges-on-opposite-sides
https://news.ycombinator.com/item?id=44065458

John Carmack talk at Upper Bound 2025 – slides and notes
https://twitter.com/ID_AA_Carmack/status/1925710474366034326
https://news.ycombinator.com/item?id=44070042