I have found a few articles on this topic, but I can’t seem to glean whether or not a PCL targeted at Windows 8(Metro) and .NET 4.5 would run in WinRT. My guess would be no, but does anyone else have an idea?
Sources:
http://www.hanselman.com/blog/HiddenGemsInVisualStudio11BetaNETPortableClassLibraries.aspx
http://msdn.microsoft.com/en-us/library/gg597391(v=vs.110).aspx
From this MSDN page:
In case it is not clear, “Metro Style” means WinRT.