HTML5 Development HTML5 is the latest version of HTML that introduced many new features. It allows temporary local data storage, inline use of SVG and MathML, and supports new form controls like dates and URLs. HTML5 also includes audio and video tags, making media embedding easier. Additionally, HTML5 improves accessibility, supports canvas for game development, and results in simpler and faster coding compared to previous HTML versions. Overall, HTML5 is a more powerful yet accessible language for building websites and applications.