The History Browser shows the history of elements in a selected stream, or the history of a selected element. Within the History Browser, you can inspect transactions that make up the history of the selected stream or element and perform operations on one or more files that make up a transaction, such as diff and adding files to an issue.
The History Browser is divided into three panes: Summary, Comment, and Versions. Each of these panes is described in greater detail in the following sections.