Wanted to contribute to the conversation and share that I'm experiencing a similar problem where some of my patches are corrupted.
In one of my playlists, for example, the names of the patches are empty or show the name as "reset", "Preset" or "�New Preset" (with the question mark symbol).
This looks to me as a memory corruption bug out there.
I started to have this issue after I edited a patch (copying a block from path A to path B). After saving the patch, I went to use another patch and, upon returning to the patch in question, it was blank. I'll see if I can open a support ticket as well.