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# Timeline

## A bird's-eye view

The Timeline gives a quick overview of recent changes in your repository. Go to the Preferences window to configure how many revisions you want to load in the Timeline by default. Collapse individual days by clicking on their headers and fetch more information by clicking the “Load more” button at the bottom of the Timeline. You can show or hide the files changed in a commit by clicking on the “Hide .. files” button on the right.

## Click for details

Every revision in the Timeline shows a listing of every file and folder that was modified, added or deleted in that revision. Click any modified file to compare it side-by-side with its previous revision. Click any added or deleted file to open the new, or respectively, old file. Versions uses external applications to compare files, see Comparing differences for more information.

## Link bug IDs

If you use ticket numbers from your issue tracker in your commit messages, you can let Versions automatically link them to actual tickets in your issue tracker. Double-click your repository bookmark and check the box labeled “Show links to issue tracker in timeline”. Next, enter the URL your issue tracker uses to refer to an individual ticket and replace the ticket number with %s. Versions will try to detect what type of ticketing system you use automatically. Versions can currently link to issue numbers that are prepended with the # character, start with BugzID: or are JIRA tickets.