Whenever I switch I get problems with bluetooth.
It's not the problem with pairing, I copied my bluetooth devices keys from Windows to Elementary so I resolved problem with pairing devices every OS change.
The problem is that sometimes when I switch from eOS to Windows I have no bluetooth icon in Windows action center and bluetooth simply not work. I used to solve it with random Windows Updating and resolving problem with built-in windows troubleshooting, but now I can't resolve it that way for some reason and... even If I could resolve it at this point I am sick of it.
Also, when I try to switch back to eOS afer that bug occurs in Windows 10 I can't use bluetooth either in Elemenary and the bluetooth indicator icon becomes hidden in the elementary upper panel (wingpannel). It looks like that:
My laptop: Lenovo Y50-70