Before Node 18, developers had to rely on third-party libraries like node-fetch or axios .
import fs from 'node:fs'; instead of import fs from 'fs'; .This makes it explicitly clear that the module is a built-in part of the runtime. 6. OpenSSL 3.0 Support node 18 full
If you are currently running a "Node 18 full" stack, it is highly recommended to . You will keep all the features mentioned above—like native fetch and the test runner—while gaining significant performance boosts and the latest security patches. AI responses may include mistakes. Learn more Before Node 18, developers had to rely on
It allows you to create subtests, skip tests, and use "describe/it" syntax without installing Jest or Mocha. OpenSSL 3
Significant optimizations for class fields and private class methods. 4. Web Streams API
As of May 2026, It has been superseded by Node 20 and Node 22 (LTS).