Since we changed the way the ic only keeps a reference of the components via the name string, we now require that the user explicitly holds a reference to the components in memory to prevent them from being picked up by the garbage collector. This is because QCoDeS only holds a `weakref` to the `Instrument`s. A simple example: ```python ic= InstrumentCoordinator(...) for driver in drivers: ic_comp = SomeICComp(driver) ic.add_component(ic_comp) ``` If `len(drivers)>1` this results in only the last ic component added to still exist every iteration. A workaround can be assign each component to some variable, or append to a list. Then an explicit reference still exists, so it won't get deleted, but it shouldn't be necessary and is not intuitive in the way we work with the ic components now. A similar problem should occur when you do: ```python ic.add_component(SomeICComp(driver)) ```