History allows you to track changes made to the project. You can expand History and see all of the particular resource's versions, who committed them, and when. A commit will also include a description of the changes that tells you what has been changed in the resource. 

Resource history card.

Viewing resource history

To view resource history

1. Navigate to the Resources application. 
2. Click a resource name to open the Resource pane and find the History card.
3. You can expand the History section to see the resource information, including version, branch, commit, comment, and author. 

Visualizing branch activity

Clicking View All at the bottom of the resource history card shows a visual representation of resource branch activity.

Viewing branch activity visual representation.

In this view, you can:

• View branches and Teamwork Cloud merge and commit information;
• Search for a specific commit, message, or version.