I spent some time learning dotnet core this year and with the slow-grind progress Microsoft has made it really does look like the technology stack might start to replace Java, Go, Rails, NodeJS, over the next decade. You can really feel Microsoft's experience in language development and enterprise software development coming together to provide better ecosystem ergonomics than other frameworks and toolchains. Specifi…
I'm pretty sure net core will remain for a long time in the enterprise world before making anything in the more open source / general public. It's 2020 I can't name a single server side known application built in net core.
There are plenty of enterprise stuff like SharePoint, Sitecore, GUI components based on commercial partners like Telerik and Component One, among many others that are still on an transition to Core.
And for those that already moved there, their stability is still at v1.0 level, better leave the "fun" to others.
EDIT: typos and grammar.