Release notes

Author: FolkerKinzel

src/FolkerKinzel.DataUrls/md/ReleaseNotes.md

@@ -1,5 +1,5 @@
-- Replaces .NET Framework 4.6.1 support with .NET Framework 4.6.2 support
-- Dependency updates
+This update brings several improvements to the public interface of the library that are breaking changes for existing code. Therefore it's recommended to start new projects with this version.
+- The `OneOf` dependency has been replaced by the new `EmbeddedData` union.
 
  
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