OK… I got building UE5 from Source, with Rider, done…
now the next Problem… UE5 is not able to find ANY Compiler…
Neither Vs19, nor Rider…
RiderLink and RiderSourceAccess are installed and activated…
VS2019 with msvc is installed…
Both can be found by UE4… I can build new C++ Projects and convert BP Projects to C++, by adding a new Cpp class…
But UE5… simple says, that no Compiler can be found…
Since it is all working with UE4… I think it’s a bug in the UE5_EA…