By Louis Lazaris / September 28, 2010 / 49 Comments Updated: August 7, 2022 Last week I posted a chart that listed support for CSS3 features in IE9. This post will consider the extent of IE9 support for HTML5 and related technologies. The chart is divided into two sections. The first covers the new HTML5 markup elements, and the second covers the APIs and other stuff. My personal assessment is tha