As a test I’ve tried a couple of CDs, and even those with ISRC codes are not recognised. Using “Extract ISRC codes” from the Functions menu I can see the codes displayed in the ISRC column, but names are still not found. I can go on freedb.org and manually search for the title and it finds everything no problem.
The problem is also not consistent because in at least one case (an older classical recording) it does find the names! This is what leads me to suspect there’s an issue with the interface between WL7 and freedb. In addition, I’ve tried a different application that also queries freedb.org and that functions perfectly on all tested CDs, so logically the fault can only lay with WL7.