I meant to post about the firmware when it came out but I haven't had time. I don't load beta firmware myself and I don't have any of the issues some people are having but this is a significant update. I've had my 105 for over 4 months now and still happy... Actually I probably should have skipped the oppo because it's caused me to spend a substantial amount of money on power amps and speakers since I liked it (and multichannel audio) so much.
note, that starting with this beta update, you can no longer revert back to a previous firmware update. You have to reset factory defaults after loading this update so remember all your custom settings and remember to change your volume setting if you are like me and directly feeding a power amp.
DSD can be played from local storage in addition to shinny discs. I'm not sure if it's actually available when using it as a USB DAC.
you can build playlists on the go like on the older oppo's.
Added AIFF support (which I didn't know we didn't have before).
Added ExFAT file system for mass storage.
Added additional crossover settings.
changed some speaker settings.
improved downmixing algorithm for the headphone amp.
added time delay settings.
added some usb keyboard support
added the standard bluray compatibility updates