Google's Chrome 53 Beta brings support for Shadow DOM V1, as well as the PaymentRequest API. A significant improvement from the earlier V0 version, among the V1 upgrades are deprecation of multiple shadow roots, and a closed shadow root where a closed mode is designed to disallow any access to a node in a closed shadow root from an outside world.
A new tool for Windows 10 from Microsoft, the Edge Extension Toolkit, aims to make it easier to convert Chrome extensions to Microsoft Edge extensions.
The Servo browser, built from scratch by Mozilla Research, has matured to the point where nightly builds are available for download. The group hopes to broaden the browser's reach so that they can quickly improve its web compatibility and performance.
Microsoft boasts that users of its Edge web browser see improved battery performance over other browsers. In addition, the new Windows 10 Anniversary Edition will bring even greater battery efficiency improvements in the browser.
Apple has announced that the next version of Safari will block Flash and other legacy plug-ins by default. The browser will trick websites into thinking that Flash isn't available resulting in a user prompt to install Flash.
Google has launched Chrome 51, bringing with it intersection observers, passive event listeners and the credential management APIs -- as well as many security fixes.
WebKit, V8, and Microsoft Edge have each gotten a little closer to supporting the full ES2015 (ES6) spec and beyond. WebKit was the first browser engine to reach 100% on the Kangax Compatibility Table while V8 and Edge each added more features to their implementations.
Google have revealed plans to sideline Flash in their Chrome browser. In the draft proposal "HTML5 by Default" Chrome's technical program manager says "Later this year we plan to change how Chromium hints to websites about the presence of Flash Player. If a site offers an HTML5 experience, this change will make that the primary experience."
GitHub has announced the Electron 1.0 milestone and a new pricing model including unlimited private repositories for paid plans.
Vivaldi has released the first official release for its web browser built for – and with – the web. Launched in 2015 by the co-founder of Opera Software, Jon von Tetzchner, the browser is unique in being built using only web technologies.
Mozilla has release Developer Edition 47 for Firefox, bringing new features to improve add-on debugging.