Select a version and then
ctrl+click another version and then click
.
The
Compare Versions dialog box opens with columns detailing each version of the Story. The fields that you can compare are grouped by various
types (System,
Description,
Attachments,
Extended Attributes, etc) and displayed in a tree.
Click
Options > Only show differences to hide all items that haven't changed.
Click
Options > Extended Attributes to show various other fields that may have changed.