An engineering blog from BetterUp's product team covering debugging case studies and reflections on software engineering. Readers get detailed write-ups of production problems, such as memory growth in a FastAPI service and database connection pool leaks in Rails, plus commentary on AI's impact on developers.
Website: https://build.betterup.com/
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.
VarOps publishes data-backed pieces on applied AI, including hands-on benchmarks of new models, critiques of how coding agents are evaluated, and tooling for agent-driven development. Each issue includes disclosures, concrete numbers, and tests readers can run on their own data or history.
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.
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