Firefox 3.5 and the Evolution of the Browser Toward HTML5

Firefox 3.5 introduces a wealth of new features which represent a huge step forward for developers and the introduction of important HTML5 functionality in the #2 browser.

Here are some highlights:

1. Implemention of the W3C standard Geolocation API.
2. HTML5 audio and video tags.
3. Downloadable fonts support.
4. Improved CSS support, including text-shadow and moving to the standard opacity property.
5. Native support for JSON.
6. Implementation of the localStorage and "workers" concepts from Google Gears.
7. Improvements to canvas support.
8. Rendering improvements and a faster JavaScript engine.
9. Private browsing.

There's much more to explore in Firefox 3.5 for developers, most of which are truly relevant. If you are developing for the web today, these are features that you will likely be using within the next year.