This list is supposed to show projects that can be launched (so the user can quickly switch start up projects), neither of these projects can be launched:

Blocked by VSO bug 389597
Any updates on this issue? Finding one single executable project from dozens of projects is not funny... And I know some teams have hundreds of projects...
I'm not sure if this is the same bug, but I was directed here when trying to figure out why my web project is NOT in the startup list, (but, a CLI and a Windows application are.)
We're migrating to .Net Core, and this is very annoying, hopefully it gets fixed soon.
We need to do two things:
1) Unregister the existing debugger launch providers that we're not using via the opt out here: https://devdiv.visualstudio.com/DevDiv/_git/CPS/pullrequest/219892. This will also fix https://github.com/dotnet/project-system/issues/6140.
2) Make our debug launch provider actually provide a useful result from IsDebuggableAsync, _or_ implement it terms of another method.
Additional information: VS2019 doesn't show .NET Framework's Class Library projects. So it excludes .NET Framework ASP.NET projects.
It's problem when you have solution with .net core and .net framework ASP.NET projects.
This is a top feedback item hence giving it high priority
Reopen based on the revert here: https://github.com/dotnet/project-system/pull/6402.
Most helpful comment
Any updates on this issue? Finding one single executable project from dozens of projects is not funny... And I know some teams have hundreds of projects...