 TopStyle 4 was released on May 31, 2009.New features include (UTF-8) unicode support, live FTP editing, support for browsers released since TopStyle 3.5 (IE8, Firefox 3, Safari 3, and Safari 4), Script Insight for ASP + PHP + ColdFusion, support for iPhone (and iPod touch) webapp development, support for HTML 5, IE8 document compatibility, and many more including many bug fixes and improvements.TopStyle 5 was released in November 30, 2012, including support for CSS3.