I was in the new dashboard beta progam but have recently been having an issue with my receiver output. My receiver is connected to an Xbox 360 via optical cable but about a week ago the receiver has started switching from Dolby Digital to Prologic when I change games on a random basis. That is, some games are in Dolby Digital and others are in Prologic. When displayed in Prologic, the receiver display is showing as optical input and all 5 speakers (and sub woofer) are displaying. Turning the receiver off then back on doesn't fix the problem. I was just wondering if anyone else was having sound issues since the update. I am not blaming the update but just trying to narrow down the possible reasons it is occuring. Thanks.