Unknown mystery

1

what is this
Capture d’écran 2021-09-15 à 15.43.34

2

This is a note attached to the node.

3

how do you delete it?

4

Select the node and run this script in the macro window:

Layer.selection[0].name = None
5

There’s a mekkablue script called Garbage Collection. And a plug-in called Node Namer. Both available in Window > Plug-in Manager.

6

@GeorgSeifert thanks, unknown mystery solved!
@mekkablue thanks, didn’t know about this tool!