UDT definitions floder delete

hello everyone,
I have a problem,
I create a folder in UDT definitions and than,I delete it.

But when I creating data type instance,
I find the folder still not delete.

Have one find the problem too?

2022-11-02 17_22_14-Window


Which version of Ignition are you using?

For what it's worth, I still see this issue on later versions, I think the last time I saw it was 8.1.21.