https://blog.wongcw.com/2019/03/09/vs-2019-for-mac%e7%ac%ac3%e5%80%8b%e9%a0%90%e8%a6%bd%e7%89%88%e7%99%bc%e5%b8%83%e6%96%b0%e7%b7%a8%e8%bc%af%e5%99%a8%e3%80%81xamarin%e9%96%8b%e7%99%bc%e6%94%b9%e9%80%b2/