In part 3 of our .NET 5 Breaking Changes series, we look at ASP.NET Core. Previous reports covered the Base Class Library and historic technologies.
Serialization
Numbers that appear as quoted strings can now be deserialized into numeric properties as if they were normal JSON numbers. Previously this would have thrown a JsonException.
Replaced Packages
Various packages have been renamed or replaced. This list summarizes the majority of these packages and their replacements.