homebrews cellar version of mono breaks omnisharp

20 Dec 2019

So today, I raised a GitHub issue because after I had opened the result of dotnet new mvc in VSCode the problems window would have approximately 120 issues and the code editor window would be full of red squiggles.

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I was running the very latest version of dotnetcore

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And the very latest version of VSCode

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I had not changed anything in the .csproj file. It was fresh from running dotnet new mvc from the terminal.

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So, I raised an issue over on GitHub.

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Big thanks to the rapid response and answer from @filipw, who discovered that it was the homebrew cellar version of mono that was the issue and that intstalling the stable version of mono was the fix.

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Success 🎉