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Digests » 197
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Before we dive into the technical details, let’s start with a quick history lesson, courtesy of Don Syme who worked on adding generics to .NET and then went on to design and implement F#, which is a pretty impressive set of achievements!!
In 15.6, we continued improving solution load performance, specifically for scenarios when design time build results are cached. Large C# and Visual Basic solutions will load twice as fast as before when a solution has already been opened on a machine.
C# 7.2 got two very important features for high-performance scenarios -- the readonly structs and the in parameters. But to understand why this additions are so important and how they're related to each other we should look back in history.
Now that .NET Core 2.1 Preview 1 has released it is time for a preview of what you can expect to see in Preview 2 and beyond in the System.IO namespace. The 2.1 release changes are the largest changes in quite some time.