5.23.25 | Claude 4, Mozilla shutting down Pocket and Fakespot, long-admired fractal on wall

This is a recap of the top 10 posts on Hacker News on May 23, 2025.Claude 4https://www.anthropic.com/news/claude-4https://news.ycombinator.com/item?id=44063703Mozilla to shut down Pocket and Fakespothttps://support.mozilla.org/en-US/kb/future-of-pockethttps://news.ycombinator.com/item?id=44063662That fractal that's been up on my wall for yearshttps://chriskw.xyz/2025/05/21/Fractal/https://news.ycombinator.com/item?id=44063248Improving performance of rav1d video decoderhttps://ohadravid.github.io/posts/2025-05-rav1d-faster/https://news.ycombinator.com/item?id=44061160Show HN: Defuddle, an HTML-to-Markdown alternative to Readabilityhttps://github.com/kepano/defuddlehttps://news.ycombinator.com/item?id=44067409The Future of Flatpakhttps://lwn.net/Articles/1020571/https://news.ycombinator.com/item?id=44068400I Built My Own Audio Playerhttps://nexo.sh/posts/why-i-built-a-native-mp3-player-in-swiftui/https://news.ycombinator.com/item?id=44062227Fast Allocations in Ruby 3.5https://railsatscale.com/2025-05-21-fast-allocations-in-ruby-3-5/https://news.ycombinator.com/item?id=44062160Does 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-sideshttps://news.ycombinator.com/item?id=44065458John Carmack talk at Upper Bound 2025 – slides and noteshttps://twitter.com/ID_AA_Carmack/status/1925710474366034326https://news.ycombinator.com/item?id=44070042