I do too know if it was a bug or not, but I accidentally stole some miners ship before. Broke in, noone aboard so I sat in the seat to examine it. It was made for cargo, nothing special so I got up and just left it. When I left I noticed some miners walking from it, thinking well now I’m really glad I didn’t steal that. Went back to my ship and the next time I went to view and modify my ships, it was there…I didn’t set it to my home ship or register it, but somehow it’s mine now. And some poor miners are wondering why their ship evaporated.