Previous versions of Cakewalk (even very old and simple such as Sonar LE) were able to automatically retrieve the banks and patches names from the VSTi. This clearly is a regression (and it's very complicated to deal with the current situation when using several different VSTi racks providing rich banks of sounds).
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My bad, patch name retrieving was working with DXi, not with VSTi. Forget what I said... If I lost my patch names when migrating to Bandlab Cakewalk it's because 32bit DXi are not supported (while 32bits VSTi are)... So I did not realize I was using the VSTi instead of the DXi.