Microsoft open-sources server-side .Net, launches Visual Studio 2015 preview | InfoWorld

Definitely not business as usual in Redmond

"Microsoft’s long and contentious relationship with open source reached a major milestone today, when the company announced at its invitation-only Connect() event for developers in New York that it would open-source the entire server-side .Net stack and launch a new open source version of its flagship IDE, dubbed Visual Studio Community. The company also gave a preview of Visual Studio 2015 and .Net 2015.
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Today, Microsoft announced that it will open-source the entire server-side .Net stack -- everything from the ASP.Net Web tools, through the languages, and even the underlying .Net runtime. Working through the .Net Foundation, the initial release will be a selection of libraries, with the rest of the stack releasing over the next few months."

Microsoft open-sources server-side .Net, launches Visual Studio 2015 preview | InfoWorld: