Hi everyone,
We recently migrated our forum from XenForo to Discourse, and everything was working fine — including all attachment images in posts.
However, after a recent Discourse admin upgrade (via the web interface), some images in older posts are no longer displaying. For example, in one post, the image that was previously visible is now showing as broken or missing.
Example image markdown that is no longer working:

System info:
-
Discourse version:
v2025.12.0-latest +291 -
Not using S3
-
Not using CDN
-
Images were uploaded locally and were displaying fine before the upgrade
Has anyone experienced this issue before? Could this be related to the automatic cleanup of unused uploads, or something else introduced in a recent update?
We’d appreciate any guidance on how to troubleshoot or restore these missing images.
Thanks in advance!