I think it would be a good idea to add it so commands set a block state anyways maybe giving a error to show it’s not intend block state but allow users to do it any ways and keep them in chunk data
for custom block models
not a bug I know don’t think feedback would accept it
Comments 3
@unknown, if you are aware of the fact that this isn't a bug, please don't post this content as the bug tracker is a place for handling bugs/issues within the game. As stated above by @unknown, you can head over to the official Minecraft Feedback page and post your ideas here.
Feature request, not a bug. Go to feedback.minecraft.net for feature requests.
Also, block states don't work this way, they're enums, ints or bools, in other words, it needs predefined possible values. Itvs the same with NBT data, only items' tag value allows custom NBT data as a special case.