JavaScript speed improvements due to engine optimizations.Responsiveness and scrolling improvements from the new retained layers layout system.Web developers can animate content using CSS Transitions.You can turn any tab into an "App Tab" by right-clicking on it and selecting "Make into App Tab" from the context menu.Tabs are now on top by default on Windows, Mac OS X, and Linux.Firefox now supports the HTML5 video "buffered" property.An experimental API is included to provide more efficient Javascript animations.A new feature gives users a visual overview of all open tabs, allowing them to be sorted and grouped.Firefox Sync is now included by default.Support for HSTS security protocol allowing sites to insist that they only be loaded over SSL.Firefox button has a new look for Windows Vista and Windows 7 users.Direct2D Hardware Acceleration is now on by default for Windows 7 users.Support for the new proposed Audio Data API.HTML5 Forms API makes web based forms easier to implement and validate.Improved web typography using OpenType with support for ligatures, kerning and font variants.Certain rendering operations are now hardware-accelerated using Direct3D 9 on Windows XP, Direct3D 10 on Windows Vista and 7, and OpenGL on Mac OS X.Uses JägerMonkey, a new, faster JavaScript engine.Firefox 4 Beta is available in 69 languages.See the complete changelist from the previous betaĪs well as these features from previous Firefox 4 Betas:.Additional polish for the Firefox Add-ons Manager.Speed, functionality, and compatibility improvements to WebGL.The Firefox Sync setup experience has been greatly improved across desktop and mobile devices.
0 kommentar(er)
