Board Thread:General Discussion/@comment-26143371-20200614223451/@comment-26611127-20200615002754

I assume it was discontinued.

However, the help page for the feature is still up, and no information explicitly dictates that it was discontinued. Although, the page does state that the 'Community Highlights' feature was an experiment, meaning it probably was never meant to be permanent. See: Community Central:Community Highlights

You could try contacting an admin or active staff member on this wiki for a more clear answer.