+ Ability to preview CSS files as easily as previewing regular HTML files. Open a *.css file and click the Preview tab. [...]

+ Preview the result of XSL transformations in a similar way on the Preview window. Open a *.xslt file and assign a *.xml input file. From then on the regular Preview tab can be used to preview the end result.

+ Control where exactly the CSS code is inserted in HTML host files. [...]

+ Both CSS and XSLT previewing support "View > Preview > Active Preview" feature. This makes it possible to preview the final output of HTML+CSS and XML+XSL pages as you type (no need to keep clicking Preview tab).

+ "Edit > Preferences > Files > Preview" settings can be used to enable/disable CSS and XSLT previewing.

+ Screenshot feature updated to capture the HTML-Kit Tools application window if Ctrl+Shift+PrintScreen is pressed. Ctrl+PrintScreen captures the current dialog or window.

+ The actual width and height of the screenshot is displayed when the mouse pointer is hovering over the screenshot preview.

+ Screenshot preparation can be disabled under "Edit > Preferences > Misc"