All right thanks. I'll include better logs ond tools on the next version to hep debug that 🤙 Maybe you can try to force close apps on both devices and start again, just for science.
Discussion
I've tried FC a few times actually. It seems to only sync one way on my setup. The sent counter on the offline device increases, but received stays at 0.
My online device doesn't show those counters, only the "devices connected"