How Node.js 22's Event Loop Works Under the Hood with V8 12.0 and libuv 1.48

In 2024, Node.js 22 became the active LTS, processing over 12 million requests per second on a single 8-core server when tuned correctly—but 73% of production outages tied to event loop blocking stem from misunderstandings of how V8 12.0’s garbage co...