When CopyRace is used to change an NPC's race, this change is not kept in the save file, unlike when using CopyRace to change player's race. This results in the following:
As long as the game is not closed after CopyRace is used, the change persists even if you load an earlier save.
Once the game is closed and reopened, the change is reverted and the NPC is back to their original race.
This causes the command to be of very limited use. If the change was kept in the save file, this would allow using an NPC as a way to store the player's original race, and for changing NPCs' races in general.
When CopyRace is used to change an NPC's race, this change is not kept in the save file, unlike when using CopyRace to change player's race. This results in the following:
This causes the command to be of very limited use. If the change was kept in the save file, this would allow using an NPC as a way to store the player's original race, and for changing NPCs' races in general.