What steps does it take to reproduce the issue?

1. Create a dataset with one file, e.g., "A.txt"
2. Publish the dataset
3. Replace "A.txt" with "B.txt" with different content.
4. Publish the dataset
5. Open the file details for the file and go to the Versions tab

• When does this issue occur?
  AFAICS always

• Which page(s) does it occurs on?
  The File version history

• What happens?
  Differences are not displayed, instead the Summary read "No changes associated with this version".

Note that the difference does show up in the dataset difference viewer.

• To whom does it occur (all users, curators, superusers)?
  All users

• What did you expect to happen?
  The difference in content and metadata should be displayed, the same as in the Data

Which version of Dataverse are you using?
6.3

Any related open or closed issues to this bug report?
No

Screenshots:

Instead of A.txt and B.txt I have used "core.jpg" and "space-galaxy.jpg":

The dataset difference viewer correctly displays the differences:

Are you thinking about creating a pull request for this issue?
Possibly, it is not a high priority though.