Node.js 15 debuts support for HTTP/3 transport Upgrade to the event-driven JavaScript runtime also updates NPM, enhances unhandled rejections, and adds new methods for working with array buffers October 22, 2020 https://www.reseller.co.nz/article/683864/node-js-15-debuts-support-http-3-transport/ Node.js 15 (October 2020) Website Download Changelog
Node.js 15: What's new, what's coming, and keeping pace with Deno. 'We're not going to reinvent' module ecosystem Michael Dawson, chair of Node.js Technical Steering Committee, talks to The Reg October 28, 2020 https://www.theregister.com/2020/10/28/nodejs_15_michael_dawson/
I'm not sure, but I believe Vivaldi's GUI was built with this. I never knew you could actually build a user interface with JavaScript.