The Disney reboot retconned all the lore established by the decades of games, comics, and books of the extended universe. To be fair, the extended universe was

The Disney reboot retconned all the lore established by the decades of games, comics, and books of the extended universe. To be fair, the extended universe was a mess and had plotholes galore. On the other hand it makes it hard to empathize with the Mandalorian when your understanding of the mandalorians comes from Knights of the Old Republic where the Mandalorians are essentially space-mongols that ravaged much of the Galaxy in wars of abject destruction.