Inside the Node.js Event Loop: What Actually Blocks Your Production System
A deep technical breakdown of the Node.js Event Loop, libuv, thread pool behavior, and the real causes of production latency and blocking.
From CPU Profile to Optimized Code in Minutes: How N|Sentinel Turns Node.js Telemetry into Action
Learn how N|Sentinel turns Node.js CPU profiles into validated, optimized code in minutes with AI-driven performance remediation.
Is Node.js Single-Threaded… or Not?
Is Node.js single-threaded? Learn how V8, libuv, the event loop, and the thread pool work together inside the Node.js runtime.
Understanding Node.js’ New Signal Requirement for Security Reports
Node.js introduced a Signal requirement on HackerOne to reduce noise, improve vulnerability report quality, and support security maintainers.
January in Node.js: Releases, Security Updates, and What Actually Matters
A practical recap of what happened in Node.js in January: security updates, release signals, and what matters for teams running Node.js in production.
Resolved: GPG Signature Warnings on Debian 13 and Modern Ubuntu
Learn why GPG signature warnings appear on Debian 13 and modern Ubuntu, how NodeSource fixed them with SHA-512 keys and which Node.js versions are supported
CVE, CVSS, and the Mistake Most Teams Keep Making
Learn what CVE and CVSS really mean, how they differ, and how to use them correctly to prioritize security vulnerabilities in real-world systems.
Node.js January 2026 Security Release: What Changed and Why It Matters
Learn what changed in the Node.js January 2026 security release, which CVEs affect you, and how to assess impact and upgrade safely in production