Is your Chromecast powered by USB or do you have it connected to electrical outlet? My Chromecast didn't show up until I either turned on my TV or powered it through electrical outlet
I got it to work by choosing the menu option Playback and then Renderer. My Chromecast showed up there together with <local> and when i chose it, the video started streaming
Well... whatever did change in this version since it worked perfectly well before i updated? And how about explaining a proper workaround because i can't find any of those settings either.