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Node.js Streams, LTS Releases & Runtime Internals

Node.js guides for application developers: stream backpressure and piping, LTS release changes, security-first upgrades, and CLI tooling in TypeScript.

This page collects 12 articles, newest first. Runtime-level material for people building services and CLIs rather than tuning a framework. Stream backpressure and why piping usually beats manual read loops, what each LTS bump actually breaks in practice, the built-in test runner measured against Jest, and worker threads for the workloads that genuinely need a second thread instead of the ones that just feel slow. The migration guides walk the Node 20 to 24 path with the deprecations that bite, not just the headline features. Expect exit codes, signal handling, and error propagation to get as much attention as the new APIs, because that's the part that breaks in production at 3am.

Everything else we've published is in the main archive.

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