We will check and get back to you
Do you mean; when editing an existing n-n property, you don't see the saved items?
We will check and we will get back to you.
We will review and get back to you.
I was able to create and run the project. You can update the version and make sure the db information is correct and try again.
To update versions;
dotnet tool update -g Volo.Abp.Cli --prerelease
abp suite update --preview