Cloud 9 has recently launched a new version of their online IDE. Usually, online developer tools are simpler than their native counterparts, some even refusing to call them IDEs. But Cloud 9 does not want to be just a rich editor, incorporating more and more features of a traditional integrated development environment.
Mozilla has released Firefox 31, including the implementation of new ECMAScript 6 features, malware blocking and new features for game developers.
Google released Chrome 36 for Windows, Mac, Linux and Android which includes some additions and improvements as well as various bug fixes and performance tweaks.
Stanislas Polu has recently announced the first public Alpha release of Breach, a modular browser built on Chromium and Node.js.
Codio is a browser-based IDE supporting a large number of languages and including its own Ubuntu instance to test the code.
Jasper van Rijbroek has released Raddish, a new Node.js framework with "ridiculous speeds" that also comes with out of the box support for threads and sockets. According to its own notes, Raddish aims to be "amazingly fast". Van Rijbroek told InfoQ that by using a fallback system Raddish allows developers to write less code to reach their goals.
Bootstrap 3.2 adds responsive embeds, objects and iframes, several new responsive utility classes, a considerable number of small improvements and bug fixes.
Mozilla has released in the nightly builds an IDE for creating, editing, running and debugging web applications on Firefox OS devices and simulators, planning to extend it to all major browsers on mobile devices.
Cordova/PhoneGap 3.5.0 no longer support iOS 5, 3.6.0+ will not support WP 7, and future updates will come through npm.
This article includes several guidelines for creating websites that scale for different screen sizes and form factors.
The Status.IE project provides compatibility information for 4 major web browsers, allowing developers to see which features are available based on the browsers they need to support. Microsoft has open-sourced both the code serving the project and the data it offers, making it easy for developers to further their own development projects.
Google has released version 1.4 of its web programming language Dart. The release brings with it Observatory; a new tool for performance analysis, and a new experimental feature for dart:io, ServerSocket references.