Now that Mozilla has fully embraced its rapid-release cycle, an update from version 9 to 10 of its popular Firefox browser isn't really an event anymore. Nevertheless, version 10, which launched today, brings a number of welcome new features with it, as well as the usual bug fixes and performance enhancements.

Virtually all of the changes in this new version are under the hood. The interface has not really changed – with one small exception. The forward button is now hidden until you actually navigate back from a page. This is definitely just a small change, though, and we will still have to wait until Firefox 12 to see the new "new tab" page appear in the Firefox release channel release.

If you are already a Firefox user, your browser will soon prompt you to update automatically. Version 10 is now also available for download here.

Fewer Add-On Compatibility Issues

What has changed, though, is the way Firefox 10 handles add-on compatibility issues when you upgrade the browser. Until now, users had to hope that the developers of their favorite add-ons ensured that they were compatible and marked as such. Now that Mozilla is releasing a new version of its browser every six weeks, though, that was becoming an issue for developers and users.

Mozilla's own add-on repository can automatically check the compatibility of most of the add-ons hosted on its servers. The problem, however, is that about 75% of add-ons are not hosted by Mozilla. Firefox 10 now assumes that most of these are actually compatible when you upgrade your browser. Thanks to this, users won't have to hope that a plugin's developer will constantly ensure that a plugin is up to date.

You can find more details about how Mozilla does this here.

Also New: Full Screen API

In addition, the new version also now offers developers a full screen API that allows them to build web apps that can run full screen. Game developers will likely be among the first to embrace this ability, though Mozilla also expects online video experiences and presentation software to make extensive use of this feature as well.