You can rearrange, move, resize and, where appropriate, clone panels in your Tracker Project and Workspace views. Panel arrangements are unique to each individual user and will persist unless explicitly changed.
You can resize story panels via the panel width options at the bottom of the sidebar.
By default, the panel width defaults to Auto, which will automatically size the panels to fit your browser window. Click Auto at the bottom of the sidebar to toggle to Fixed mode. Then you can use the slider to adjust panel width for more stable vertical position of stories. While in this mode, you can double-click any panel header to auto-fit panels to browser width. You can also do this with the fit panels to browser button, as highlighted below.
You can duplicate most story panels using Clone panel in the Panel actions menu
Separating or combining Current and Backlog
The Current and Backlog panels are combined by default. Use Split current & backlog or Combine current & backlog in the Panel actions menu at the top of the panel to split or combine Current and Backlog.