Kent Beck writes about software design, testing and programming technique, framed as ways to improve human relationships among developers. Issues mix practical refactoring and testing advice with reflections on working with AI coding tools.

A software developer's blog going deep on CRDT internals, including fractional indexes for text editing and spreadsheets, and a disk-native Yjs implementation. Readers get implementation-level design discussion with trade-offs, data structure details and working JavaScript demos.

Developer blog on building OpenMU, an open-source MMORPG game server, covering architecture decisions, performance work and new features. Readers get detailed engineering write-ups with code-level reasoning and measured results.

A personal blog by Huanyu (Harry) Xie documenting how he engineers processes around coding agents, including versioned guidance docs, append-only changelogs and audits of his own compliance. The writing is first-person and backed by data from his own system.