I upgraded my backend a few weeks ago to checkout the UPnP functionality. I found that:
- the roku desktop UPnP client support is fairly weak. It didn't list all of the shows correctly and sometimes it would hang on a folder and not list anything at all
- the MPlay UPnP client support is a little better. It could list many more shows than the roku desktop.
Both did display correct show names but I couldn't get either of them to play a show. The UPnP server code in myth is still very new and I have no doubt it has some bugs that I was probably hitting. I also tried to test with my xbox (XBMC just added UPnP client support) but I hit some bugs in that too due to it being brand new code.
But to answer the original question of is MythRoku dead, I think the official answer from Brad is no but I've been on the dev email list for a while but there hasn't been any activity since march
I think it is a case of MythRoku provides the main functionality that he needs so there isn't a pressing need to work on it. I did some small features back in Feb and sent Brad diffs which he put in but I haven't been able to update my code via cvs in months so I haven't done any new development lately. I don't want to speak for Brad too much here, I know he still has plans to work on it so no it isn't dead but it isn't very active either.
I originally started running MythRoku because I could never get HD out of my backend to look right on my TV. I recently found out that nvidia finally addeded 1080i support in their drivers so about two weeks ago I bought a new video card (Nvidia FX5200). The new card plus the new nvidia drivers has me displaying 1080i for the first time from my backend!! I now have a full frontend in my living room which is something that I had really missed since moving to MythRoku. It also greatly improves the wife approval factor