Looper that can (auto)save without stopping?

I‘m playing around with a Boss RC-5 and am kinda astonished that it cannot save a memory without stopping the whole loop.

Maybe someone here has had the same issue and looked into it? Maybe there is some secret weapon knowledge base for loopers, as Onvilabs is for compressors?

Even a $100 Zoom MS-60 brings autosave…

(To be fair, all the things that the RC-5 can do are pretty amazing, was really happy that the external switch can move between memory slots for example.)