Node.js 20 stopped receiving security fixes on 30 April 2026. If a server, container image or CI job still runs it, every new Node vulnerability from now on is one you carry yourself. The October 2026 security releases, for example, patched the 22.x, 24.x and 26.x lines, and Node 20 was not among them. This guide shows what changes between Node 20 and Node 24, the handful of things that actually break, how to find them in your code before you switch, and how to roll the upgrade out.

Which version should you move to?

Version Status (end of October 2026) Security support ends

Node 20 End of life 30 April 2026

Node 22 Maintenance LTS 30 April 2027

Node 24 "Krypton" Maintenance LTS since 20 October 2026 30 April 2028

Node 26 "Lithium" LTS since 28 October 2026 30 April 2029

Dates are from the Node.js release schedule (the nodejs/Release repository) and match endoflife.date.…