feature

A piece of code shipped with a product that provides a tool a user can use to complete a task or action. Generally, this term is best used in release notes to describe updates to a product release. Avoid documenting features and instead put the emphasis on how a user can achieve their goal.

Don't use to refer to the capabilities or functionality of a product.

"" Do this "" Don't do this
Version 5.1.0 of the add-on contains the following new features. Version 5.1.0 of the add-on contains the following new capabilities.