Best of 2025

The blog posts Hacker News loved most in 2025. 1,747 posts.

Software Engineering
380

Racket v9.0

_posted by Stephen De Gabrielle and John Clements_ We are pleased to announce Racket v9.0 is now available from https://download.racket-lang.org/. **Racket 9.0 is here!** A major release is always exciting and Racket 9.0 is no exception in that it intr...

390

I Wrote a WebAssembly VM in C

For the last 6 months, I’ve been spending my (limited) free time on evenings and weekends writing a WebAssembly VM in C. After repeatedly throwing away small side-projects, this was an extremely productive experience for me as an engineer. I’m writing this in order to put together some take-aways and organize my…