Awoke this morning and saw the .NET Core 3.0 Preview announcement.
Download available from github releases.
C# 8.0
Run dotnet --list-s...
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According to this SO
It can be enabled in
.csproj
file:Nice find!
Looks like I wasn't the only person that had trouble enabling this. From GitHub issues (including the one linked on SO) it looks like nullable types isn't quite ready in Preview 1.
Thanks for the update!