Added image properties to be used from inside the image manager dialog.Reorganized the editor file browser dialogs - the browser part is in FileBrowser.ascx, so only the previewer is left in the ImageManager.ascx, DocumentManager.ascx, etc.It replaces the proprietary FileLister/FileUploader control. Added the RadFileExplorer control in the editor file browser dialogs.Fixed: If the drop down is manually shown early in the page life cycle (window.onload, pageLoad, onLoad of the control, ShowDropDownOnLoad="true") its Items are not initialized.Fixed: Virtual Scrolling does not work if the MaxHeight property is set.Fixed: Pressing Alt+Letter while the input is focused selects the matched Item if it exists and it should not.Fixed: Selection jumps to first Item if the down/up arrow is pressed on a focused ComboBox and the drop down has never been opened.Fixed: Stack Overflow error in IE when typing and deleting text in RadComboBox in Load on Demand.Fixed: Item's Text is lost during Filtering if it contains '' and/or '&' characters.Fixed: Items are multiplied if the 'Show More' link is being clicked during an ongoing Items request.Fixed: IE7 hangs if a ComboBox with Load on Demand is expanded and there is no enough space to position the drop down.Fixed: Input cursor position is incorrect after selection with 'Enter' when MarkFirstMatch="true".Fixed: RadComboBoxItem.get_text() returns an incorrect value if the Item has Text="" and Template.Fixed: The Text is not selected on click in the RadComboBox if it is ReadOnly (EnableLoadOnDemand="false", AllowCustomText="false", MarkFirstMatch="false", Filter="None").The first matching Item is autocompleted (similarly to pressing 'Enter') if the Separator is pressed when MarkFirstMatch="true" and AutoCompleteSeparator is specified.RadCompression - a new HttpModule and PageAdapter that ships with the RadControls for ASP.NET AJAX designed to automatically compress ViewState and your AJAX and Web Service responses.Multiple selection and drag and drop out of the box. Consists of TreeView, Grid, ToolBar, Upload, ContextMenu, Address Bar. New RadFileExplorer control - Ready-to-use file explorer control with high performance and rich customization options.It comes with built-in translators for RadControls and provide intelligent options to validate the state of each control and its child elements. New web testing capabilities with WebUI Test Studio - WebUI Test Studio is a tool for creating automated web tests that is specifically tailored for Telerik AJAX controls.The Extensions package automatically creates your projects in seconds, eliminating the need to configure them manually. With Q1 2009 RadControls for ASP.NET AJAX introduce a new level of developer productivity with the Visual Studio Extensions package for RadControls - a set of ready-to-use Visual Studio templates that cover common application scenarios.