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Firefox 3.5 is in beta; are you ready?

Firefox 3.1 beta 2 is now available for testing, with beta 3 on the way soon.  Note that when beta 4 arrives, it will be called Firefox 3.5 beta 4.  See Firefox 3.5 for developers for documentation to get you started toward being ready for Firefox 3.5.

Development topics

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Web development
Guides and references useful when developing web sites and web applications.
Developing Mozilla
Coverage of how to participate in the Mozilla project, including developing the platform itself, Firefox, and other products based on the Mozilla platform.
Extending Mozilla
Documentation about how to develop add-ons for Firefox and Thunderbird, including extensions, themes, and plug-ins.
Documenting Mozilla
Help us create and improve our documentation for Mozilla and for the open Web.

Mozilla Developer Center blogs

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