Issue dependencies list only displays a few issues, not complete?

Hello,

I wanted to add a dependency to an issue, but the dependency list seems not fully listed. The dependency list only displays 9 issues, but there are 20 open issues and 20 closed issues in the repo.

Is there anything I missed?

P.S. I am using Gitea V1.9.4

Issue Dependencies:
image

All issues in the repo:
image