-Bruce Lawson, Web Evangelist for Opera
Also check out the full announcement on Opera’s developer blog, about moving to Webkit. Here’s the salient bit:
What does this mean for web developers?
- Chromium, and therefore future versions of Opera, has built-in support for the WebM, Ogg Theora and Ogg Vorbis media codecs but does not natively support H.264 or MP3 media codecs (although if these are installed in a device’s operating system it will allow that to render media). The correct way to check support is with HTML5 canPlayType. The simplest method to ensure all modern browsers receive the correct codecs is to encode in both WebM and H.264 and provide two
- The window.opera object will not exist in future versions of Opera. We continue to recommend that developers SHOULD NOT use browser-sniffing; feature-detection - either using a 3rd party solution such as Modernizr or hand-rolling your own - is better.
I use Modernizr extensively in my last few projects. Highly recommended.