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.
Google has published a number of guidelines and boilerplate code for cross-platform responsive website design.
A new developer-centric IE has been released, named Internet Explorer Developer Channel. This build provides an early way for developers to test webpages and can be installed side-by-side with IE.
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.
Mitchell Baker has announced this week that Mozilla is adding Encrypted Media Extensions (EME) to Firefox, joining the ranks of Microsoft, Google, and Apple who have implemented the system in their browsers. The Free Software Foundation has condemned the partnership between Mozilla and Adobe, describing Adobe as being "hostile to the free software movement and to Mozilla's own fundamental ideals."
Mozilla has released Firefox 29, bringing updates to the user interface as well as improvements in asm.js performance and new web API, including Web Audio API and CSS Flexbox, and a finalised and enabled Gamepad API.
jQuery will drop support for Internet Explorer 6 and Internet Explorer 7 "somewhere in 2015", jQuery Foundation president Dave Methvin stated on the official jQuery blog last week. This change will go hand in hand with the release of jQuery 1.13. The release 1.12 will be the last one with official support for the named versions of Microsoft's default browser for Windows.
Mobile analytics firm Flurry has issued a report analyzing time spent on mobile devices by the average US consumer between January and March of 2014. This is the second such report that Flurry issues, allowing for an interesting comparison year to year showing, among other things, that mobile devices are changing the way the web is consumed.
Taking a detour from their original pure-HTML5 approach to mobile development, Mozilla has been working on adding support for Firefox OS to Cordova, which has happened with the latest Cordova 3.4.0.
QUIC (Quick UDP Internet Connections, pronounced 'quick') is a multiplexing transport protocol running over UDP with the main goal to have 0-RTT connectivity overhead.
In an effort to accelerate the development of Firefox OS, Mozilla announced a Contribution Program which will aim at providing dedicated developers with access to resources and reference hardware. Foxconn will manufacture the initial reference hardware, a tablet. The program will be open to developers, localizers, testers, and bug fixers.