Initial version C# P2 blog post

release-notes/10.0/preview/preview2/csharp-p2.md

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+# C# 14 updates in .NET 10 Preview 2 - Release Notes
+
+.NET 10 Preview 2 includes the following C# features & enhancements:
+
+- [Partial events and constructors](#partial-events-and-constructors)
+
+C# 14 updates:
+
+- [What's new in C# 14](https://learn.microsoft.com/dotnet/csharp/whats-new/csharp-14) documentation
+- [Breaking changes in C# 14](https://learn.microsoft.com/dotnet/csharp/whats-new/breaking-changes/compiler%20breaking%20changes%20-%20dotnet%2010)
+
+## Partial events and constructors
+
+C# 14 rounds out the set of partial members by adding partial constructors and partial events. These new partial member types join partial methods and partial properties that were added in C# 13. Partial members allow one part of a class to declare a member, which can then be implemented in another part of the same class, often in a different file. Partial members are often used by source generators.
+
+You can learn more by reading the feature [documentation](https://github.com/dotnet/roslyn/blob/main/docs/features/string-literals-data-section.md).