10.21.26 | DeepInfer high performance DeepSeek inference, eMudhra intermediate CA compromise, Critical PHP security release

This is a recap of the top 10 posts on Hacker News on Oct 21, 2026.Feel free to leave feedback on Github: https://github.com/denolfe/hacker-news-highlights

(00:00) - Intro

(00:18) - DeepInfer: High-performance inference framework for DeepSeek models

(01:29) - eMudhra intermediate CA compromise

(02:45) - Upcoming critical PHP security release (CVE-2026-109618 / -109619)

(03:57) - Show HN: SimCity, but with Permits

(05:09) - Voxtral 3

(06:24) - Apple broke an essential presentation feature of iPads

(07:30) - What shall I teach my son?

(08:39) - Ofcom concedes defeat in 4chan case

(09:40) - The Future of CSS

(10:48) - Google open-sources TorchTPU, a native PyTorch back end for TPUs

(11:42) - Outro

DeepInfer: High-performance inference framework for DeepSeek models https://github.com/deepseek-ai/DeepInfer https://news.ycombinator.com/item?id=50163277eMudhra intermediate CA compromise https://emudhra.we-have-a-problem.com/ https://news.ycombinator.com/item?id=50166579 Upcoming critical PHP security release (CVE-2026-109618 / -109619) https://news-web.php.net/php.announce/509 https://news.ycombinator.com/item?id=50172041 Show HN: SimCity, but with Permits https://permit.petercai.com/ https://news.ycombinator.com/item?id=50170593 Voxtral 3 https://mistral.ai/news/voxtral-3/ https://news.ycombinator.com/item?id=50168396 Apple broke an essential presentation feature of iPads https://teddysvoronos.com/2026-10-19-apple-broke-an-essential-presentation-feature-of-ipads/ https://news.ycombinator.com/item?id=50165208 What shall I teach my son? https://stevekrouse.com/ends https://news.ycombinator.com/item?id=50169707 Ofcom concedes defeat in 4chan case https://prestonbyrne.com/2026/10/20/ofcom-concedes-defeat/ https://news.ycombinator.com/item?id=50167028 The Future of CSS https://www.joshwcomeau.com/css/interop-2027/ https://news.ycombinator.com/item?id=50175070 Google open-sources TorchTPU, a native PyTorch back end for TPUs https://github.com/google-pytorch/torch_tpu https://news.ycombinator.com/item?id=50169053