Any add-ons installed that do not provide a secure update method when the user upgrades to Firefox 3 will be automatically disabled. Add-ons hosted at AMO automatically provide this.
In order to provide a more secure add-on upgrade path for users, add-ons are now required to provide a secure method for obtaining updates before they can be installed. The key improvement allows the use of custom query processors to allow data sources other than RDF to be used. Templates have been significantly improved in Firefox 3. XUL improvements in Firefox 3įirefox 3 offers a number of new XUL elements, including new sliding scales, the date and time pickers, and spin buttons. Provides a guide to the things you'll need to do to update your extension to work with Firefox 3. Notable changes and improvements Updating extensions for Firefox 3 Animated PNG graphicsįirefox 3 supports the animated PNG (APNG) image format. SVG support in Firefox 3 has been upgraded significantly, with support for over two dozen new filters, several new elements and attributes, and other improvements. EXSLT supportįirefox 3 provides support for a substantial subset of the EXSLT extensions to XSLT. JavaScript 1.8 supportįirefox 3 offers JavaScript 1.8. DOM improvements in Firefox 3įirefox 3 offers a number of new features in Firefox 3's DOM implementation, including support for several Internet Explorer extensions to the DOM. CSS improvements in Firefox 3įirefox 3 features a number of improvements in its CSS support. Offline resources in Firefoxįirefox now lets web applications request that resources be cached to allow the application to be used while offline. The new HTML 5 activeElement and hasFocus attributes are supported. Drag and drop eventsįirefox 3 supports new events that are sent to the source node for a drag operation when the drag begins and ends. Using microformatsįirefox now has APIs for working with microformats. Transform support for canvasįirefox now supports the transform() and setTransform() methods on canvases. You can now draw text in a canvas using a non-standardized API supported by Firefox 3. You can now register web applications as protocol handlers using the navigator.registerProtocolHandler() method. Online and offline eventsįirefox 3 supports WHATWG online and offline events, which let applications and extensions detect whether or not there's an active Internet connection, as well as to detect when the connection goes up and down. Provides information about changes you may need to make to your web site or web application to take advantage of new features in Firefox 3.
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