Summary

When a page containing images is copied to a different page without "include attached files and images" and if a new image is added to this copied page, the new image is duplicated in place of all the existing image placeholders.
 

More details and steps to reproduce can be found in duplicate ticket CONFSERVER-98636

Environment

Tested on Confluence 8.5.0
.

Steps to Reproduce

1. Create a new page and add three images (A,B,C) and save the page:

2. Copy this page without checking the "include attached files and images" option so that a new page is created. This new page will have the three unknown attachments which is expected. Save the page.

3. Now edit this copied page and add a 4th attachment (D) to this page and save.

Expected Results

After Step 3, only the 4th attachment should be visible along with three unknown attachments placeholders.

Actual Results

There are 4 attachments displayed in the page and all 4 of them are "D"

Workaround

No workarounds at this point.

Notes