They are build with numbers when you compile while the Editor is running, for Hot-Reload, ie your changes in code are applied live to your game in the editor!
To clean them you just have to close the editor, than recompile, et voilà !
They are build with numbers when you compile while the Editor is running, for Hot-Reload, ie your changes in code are applied live to your game in the editor!
To clean them you just have to close the editor, than recompile, et voilà !