here are bugs reported in the Logos 5 forum as RC1 was released there as well.
http://community.logos.com/forums/t/71413.aspx
http://community.logos.com/forums/t/71393.aspx
http://community.logos.com/forums/t/67267.aspx?PageIndex=2
http://community.logos.com/forums/p/71395/497175.aspx#497175
Each of those issues has been responded to in the respective original thread.