Latest / July 4, 2026
5 posts from engineering leaders published July 4, 2026, by Avery Pennarun, Chris Kiehl, Armin Ronacher and 2 more.
Happy July 4th! For those of us around the world contemplating independence, it's a good day to think about how we came to rely on expensive cloud infrastructure for our fundamental computing needs. With that in mind, here is my latest toy project: an open source tool that makes…
The strange locomotion of Spirocuta
A very strange Pi issue sent me down a rabbit hole over the last two days. The short version is that newer Claude models sometimes call Pi’s edit tool with extra, invented fields in the nested edits[] array. And not Haiku or some small model: Opus 4.8. The edit itself is usually…
Coaching for startup founder CEOs from a 3x founder with an exit. Someone who speaks both languages: money and technology. Two sessions a month, month to month.
The concept of recursive self-improvement (RSI) dates back to I. J. Good (1965) , where he defined an “ultraintelligent machine” as a system that can surpass humans in all intellectual activities and design better machines to improve itself. Yudkowsky (2008) used the phrase…