+ Officially supports running on Windows Vista.

+ Most dialogs and windows support Windows Vista Aero style.

+ "Help > About > Copy Version" updated to detect Windows Vista and its various product types (Home, Business, etc.)

+ Ability to display version information for IE 7+. [...]

+ Prompts for administrative privileges during installation when necessary

+ "Add to Start Menu Documents" option on the right click menu of document tabs. This option adds the current document to the recently used documents list on the Windows Start menu. Once a document is added to the Start menu, it can easily be reopened in any associated application, not just HTML-Kit Tools, using the "Windows Start Menu > Documents" menu. [...]

+ Ability to open one or more files by dragging and dropping from the Windows Explorer (or a Windows foloder). To use this feature, open a Windows folder, select one or more files, and drag and drop the selection on the Actions Bar. [...]

+ Supports opening Windows shortcuts. [...]

+ HTML-Kit Tools executable file can now be associated with file types in Windows. This feature, for example, makes it possible to use HTML-Kit Tools on the "Open With" menu in Windows Explorer.

+ Minor improvements in the ChangeLog interface ("Help > Check for Updates")

+ Completed icons on the "Actions Bar > Plugins > Plugin Categories" drop-down list.

+ HKT HTML Plugin windows display the hkp-icon, if one is provided, when the window is in auto-hide mode. This makes it easier to find windows when multiple HTML Plugin windows are open where only the icon may be visible depending on available screen space.