Microsoft has open source their research project TouchDevelop, which contains about 160K lines of code mostly written in TypeScript.
Twitter has officially released Digits Login for Web, the latest interaction of Digits that extends the SMS-based login system to mobile app's sites powered by Digits.
Node.js has released version 0.12, its first significant release since 2013's 0.10. The much-anticipated version 0.12, once described as "imminent" in January 2014, comes with a raft of Module and JS API changes, an updated version of V8, and many debugging enhancements. Significantly, it also comes with initial support for ECMAScript Internationalization API 1.0 (ECMA-402).
CoffeeScript 1.9 has finally introduced support for long awaited generators, which promise to prevent callback hell and help writing async code.
JHipster, the Yeoman generator for Spring Boot/Angular projects, released version 2.0 earlier this month, with some notable changes: 1) the AngularJS code has been modularized, making it easier to use JHipster for larger projects and 2) Liquibase is now able to create "diffs" between the JPA code and the database, making it easier to update your database schema.
After many years of working on HTML5 support, YouTube has decided to use their HTML5 video player as the default for modern browsers, using the old Flash-based player only for legacy browsers. Using MPEG-DASH and W3C Media Source Extensions, YouTube can use Adaptive Bitrate streaming to reduce buffering and improve initial playback speed.
A team of former Opera developers along with their ex-CEO Jon von Tetzchner have created a new browser called Vivaldi.
The io.js team has released version 1.0 -- but the versioning does not suggest the platform is "production ready." Despite overtaking Node, io.js clarifies the release in its own FAQ: "The choice to release as 1.0.x was not to signify that io.js should be considered production-ready, but because it was a significant enough release from Node.js to warrant a major version increment," it says.
The Atom’s team has announced a pre-release but stable version of the editor’s API.