Best of 2025

The blog posts Hacker News loved most in 2025. 6,220 posts.

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3968

Rustls Server-Side Performance

In past years, the Rustls project has been happy to receive substantial investments from the ISRG. One of our goals has been to improve performance without compromising on safety. We last posted about our performance improvements in October of 2024, and we're back to talk about another round of improvements. What is…

3975

KiCad and Wayland Support

The KiCad development team frequently receives questions about our support for Wayland. Given that Fedora and Ubuntu are both planning to drop X11 support from their main desktop environments in the near future, we want to provide clear, transparent guidance to our users about the current state of Wayland support in…

3979

LLMs understand nullability

The last five years have shown us that large language models, like ChatGPT, Claude, and DeepSeek, can write code in many domains, to huge excitement: many claim to be using these models to write entire web servers and apps from scratch. These tools have opened up programming to a whole new class of people who consider…