EllisLab is always busy on a new version of ExpressionEngine. These versions are often packed full of new features as well as bug fixes. A purchase of ExpressionEngine includes one year of free updates, with the option of renewing each year for a nominal fee.
Note
Occasionally, EllisLab will put a price on a new feature (such as the discussion forum). However, the prices are generally very fair, and reflect the cost of development and support. Doing this also keeps the cost of ExpressionEngine itself lower for users who have no interest in the new feature.
There are two types of releases that ExpressionEngine will go through:
A new build contains bug fixes or minor updates. It is generally not necessary to upgrade to a new build unless it contains a bug fix that you have been waiting for.
A new version contains new features and improvements to existing functionality. A new version will include all the bug fixes and minor updates of any intermittent builds.
When a new...