Overview: According to requirement 15 in

For repeatable fields, if multiple values (such as multiple contributors) are added/edited/removed, show as a single line on the card.
Apply this change for FOLIO records (Instances/Holdings/Item).
DO NOT change current displaying in “Changed” modal with detailed information about changes made.

Steps to reproduce (Instance scenario as example):

1. Go to “Inventory” app

2. Find and open any FOLIO “Instance” record

3. Click on “Actions” → “Edit instance”

4. Add multiple (more than 1) repeatable fields with different values (ex. subjects, contributors, etc)

5. Click on the “Save & close” button

6. Check “Version history” pane.

Expected result: Added repeatable fields are displayed as 1 line in the “Card”. For example:
Contributors (Added).
Actual result: Added repeatable fields are displayed as multiple lines in the “Card”. For example:
Contributors (Added).
Contributors (Added).
Contributors (Added).
See attached screenshot: