Yes, the DB will just grow and grow. It’s been this way since the beginning…and unless the underlying DB has changed I believe this behavior is the same to this day.
I’ll see if I can find my posts when I asked about how to reduce the white space and link here.
Here Danny says the images are now stored outside of the DB. - Is it normal for Roon's database size/structure to be so large? [yes] - #65 by danny
Here’s my original query and subsequent feature request: DB size - images for deleted albums - #11 by Larry_Post