pololoko111

Not only MAC address crash. If you set up WiFi and want to change Nameserver/DNS data source. [ActionMap] Map screen 'NameserverSetup' context 'NavigationActions' -> Action 'down'. [eRCDeviceInputDev] 0 6c 1...

I think it looks better visually when you can't see the empty slots. You also don't have to go through empty slots if you want to go (in my case)...

Also if the image is installed on the sdcard it shows as usb.  As in the photo below. 

> Hide unused multi-boot slots This option is not needed, just modify the code. Image selector - slots are hidden  Flash image - slots still available.