http://docs.info.apple.com/article.html?artnum=307467-ja
- Adds support for CSS 3 web fonts
- Adds support for CSS transforms and transitions
- Adds support for HTML 5 <video> and <audio> elements
- Adds support for offline storage for Web applications in SQL databases
- Adds support for SVG images in <img> elements and CSS images
- Adds support for SVG advanced text
オフラインストレージが面白そうなんだが、呼び出し方がわからんww