Since the warning message may be confusing and since the Calibre incompatibility appears to apply to multiple Kobo firmware versions, I've also posted a cautionary user notice on this issue at http://www.mobileread.com/forums/showthread.php?t=185250 .
Since the warning message may be confusing and since the Calibre incompatibility appears to apply to multiple Kobo firmware versions, I've also posted a cautionary user notice on this issue at http:// www.mobileread. com/forums/ showthread. php?t=185250 .