The staff behind Node.js has introduced the discharge of Node.js 21. Node.js is a JavaScript runtime that’s constructed on the JavaScript engine that Chrome makes use of, V8.
One of many most important updates on this launch is that the V8 engine was up to date to model 11.8.
“Updating the V8 engine presents essential advantages: bug fixes improve stability, efficiency enhancements enhance pace, and new options develop capabilities. It ensures a extra dependable, quicker, and feature-rich JavaScript runtime surroundings,” defined Rafael Gonzaga, Node.js Core Member.
There have been additionally a couple of updates to check runner, which is a function that allows purposeful testing and exporting of outcomes. Updates embody help for passing globs and a brand new cli flag that controls parallelism.
One other replace is that WebStreams is now secure. WebStreams assist course of knowledge in small sizes for browser functions, the staff defined.
The staff additionally added a brand new experimental flag that flips module defaults. In response to Gonzaga, Node.js at the moment has two module techniques: CommonJS and ECMAScript. Presently it treats recordsdata with a .js file extension as CommonJS by default, however now this may be flipped.
“Our purpose is to ultimately discover a approach to help ES module syntax by default with minimal breaking adjustments,” Gonzaga mentioned.
There have been additionally a number of efficiency enhancements in file system, stream, and HTTP discipline.
A full checklist of adjustments could be discovered right here.