Initial WASI support was recently committed to the Node.js project. WASI is designed to be a standard interface for making calls to the underlying system, such as the host application, native operating system, and so forth. This is where the new WebAssembly System Interface (WASI) comes in. Similar to JavaScript, WebAssembly is designed with security in mind to prevent access to any of the underlying operating system, sometimes referred to as “sandboxed.” However, there are times when a WebAssembly module in your control in Node.js may benefit from being able to make system-level calls. " use strict " const fs = require ( " fs " ) ( async () => )() WebAssembly System Interface (WASI) Also, it’s important to note ES modules in Node.js have JavaScript strict mode enabled by default, so you don’t have to specify "use strict" at the top of every file. This means you can finally use import and export syntax you may already be using for client-side JavaScript running in the browser. Support for ECMAScript ModulesĪs of v13.2.0, Node.js supports both traditional CommonJS modules and the new standard ECMAScript (ES) modules out of the box. If you haven’t already, make plans to migrate 8.x applications to 10.x or 12.x. Note: Node 8.x End-of-Life (EOL) is scheduled at the end of 2019 due to its dependency on OpenSSL-1.0.2, which is also scheduled for EOL at the end of 2019. 15.x released and becomes the Current version.13.x work stops soon after 14.x release.14.x released and becomes the Current version.13.x is the Current version and actively developed. ![]() We should expect to see the following release schedule in 2020. After 18 months of Maintenance, it is considered End-of-Life (EOL) and is no longer supported. The Maintenance stage lasts for 18 months. ![]() While in Maintenance, the Node.js version will only receive critical bug and security fixes. For the next 12 months, LTS versions receive bug fixes, security updates, and other improvements with the goal of not breaking any existing applications.Īfter LTS, there is a final Maintenance stage. The LTS stage is considered production-ready. Once an even-numbered version has had time to bake for six months, it enters a new stage of life called Long-Term Support (LTS). You could think of this first six months as a release candidate stage. Although more stable than odd-numbered versions, it will continue to be actively developed for the next six months. After its release, the previous odd-numbered version will stop receiving updates. v8, v10, and v12) are released every April. They are designed for testing new features and changes leading up to the next even-numbered version of Node.js.Įven-numbered versions (e.g. You might think of an odd-numbered version as a beta version. v9, v11, and v13) are released every October, are short-lived, and are not considered ready for production. As of this writing, the Current version of Node.js is 13, released in October 2019. This major version is referred to as the Current version. The Node.js Release Process for 2020Įvery six months, a new major version of Node.js is released, one in October and one in April.
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