TypeScript 7.0 Beta represents a fundamental architectural shift for the language, with the entire compiler rewritten in Go rather than bootstrapped TypeScript. The rewrite delivers approximately 10x performance improvements over TypeScript 6.0 through native code execution and shared memory parallelism, while maintaining strict semantic compatibility with the previous version.
Two recent articles tackle JSON querying performance from opposite ends: one applies automata theory to eliminate interpretation overhead at query time, the other kills a $500K/year language-boundary tax by rewriting a JavaScript reference implementation in Go. The methodologies are different; the lesson is the same.
RasKrebs' sonar is a CLI tool for inspecting and managing everything listening on localhost ports. The name is overloaded, and badly, but the tool works well. So they built something more suitable for their purposes. sonar list gives you ports, process names, Docker container names, Compose projects, CPU/memory usage, and clickable URLs in one shot.