Hacker News – 12 Jul 2026

Table of Contents Visualization and AI Show HN: Mindwalk – Replay coding-agent sessions on a 3D map of your codebase Mesh LLM: distributed AI computing on iroh Tech Milestones and Innovations Vint Cerf, a “father of the Internet,” is retiring Protobuf-py: Protobuf for Python, without compromises Emerging Technologies and Trends Show HN: Ant – A JavaScript runtime and ecosystem Handsum: An LQIP Image File Format Cultural Insights and Practical Applications Billions of Sketches Reveal Hidden Cultural Variation in Human Concepts Modern decor may be straining people's brains