Existing and older projects running on Node 10 on the other hand will need to upgrade if they wish to use Yarn 3 this time around.

Most current and new Node developers while probably find themselves using the recent LTS version 12, or the current LTS 14, so this isn't a problem.

Nothing out of the ordinary but if you'll find yourself dealing with errors should you still use Node 10 and attempt to install Yarn 3. Yarn 3 has dropped support for Node 10, following other companies such as Amazon AWS after Node 10 was finally EOL'd in April 2021. I'll only cover the major issues common developers will face, instead of the lower-level changes only Yarn API developers will run into such as the virtual filesystem being renamed from $$virtual to _virtual_. The good news is that the Yarn team has made this iteration less of a hassle than the initial Yarn 1 → Yarn 2 switch. Myself included! However, Yarn Modern has finally stabilized and with newfound stability and a metric ton of feedback, we find ourselves in the midst of a brand new iteration of Yarn, Yarn 3.0! MigrationĪs with every major version change, a handful of breaking changes are expected. Between SDK changes for VS Code and other editors and environments, to how various core package files were stored and named, it was a well-deserved headache, but a welcome one for dedicated developers who followed the release. Yarn 2 had changed a lot almost immediately after it was released.

The next impressive iteration of the fan-favorite package manager.īefore we get started, feel free to check out my article about Yarn 2, “ Getting started with Yarn 2 and TypeScript”, it's a little dated (June 2020 👀) but if you're not looking to upgrade and need an introduction there you have it). Create a NodeJS API with Koa and TypeScript - #1 - Project Setup

Yarn install