Hello Arthur,
thanks very much for your help.
Starting the editor with my project from Visual Studio via 'Start Debug ’ and debugging it was working perfectly for me in the last months for Version 4.8 (Launcher Version) and is still working.
So I assumed it would be possible to do it also in 4.9. Do you have any information about if they want to skip this feature? It feels like a bug to me, though.
Thank you for the various ways to work around it. I also downloaded the full source code and was able to build it, but I prefer working with the ‘official’ (Launcher) version because I fear when starting to fix their bugs I tend to change their engine into something that won’t work with further releases anymore.