Sometimes when I change the size of an object or when I make a mistake and return with Control+Z, a lot of parts get a weld making me mad because of deleting all of them, I would like to know why does this happen, and a solution like if it is a configuration or if there’s a way to delete all the welds at once. Here is a screenshot of an example:
Do you have Join Surfaces unchecked?
You should use WeldConstraints, it keeps them together.