5.0.0

New

• New TFM for .NET 6.0.
  The following methods that existed in Linq.Extras have been added to Linq in .NET 6.0:

  • DistinctBy
  • UnionBy
  • Min and Max overloads that accept an IComparer<T>
  • MinBy and MaxBy
  • FirstOrDefault, LastOrDefault, and SingleOrDefault overloads that accept an explicit default value

  This would cause conflicts if both System.Linq and Linq.Extras namespaces are imported. In the new .NET 6.0 TFM, these methods are no longer extension methods, so they don't cause conflicts, but are still callable at runtime (e.g. in case of indirect dependencies between project that end up using these methods). They're also marked obsolete in the new TFM.

  In addition, the Batch method is marked obsolete in the .NET 6.0 TFM, since Linq's new Chunk method does exactly the same thing.

Fixed

• Ambiguous call for ToHashSet (#19) : was supposedly fixed in 4.1.0, but caused another issue (#22)
• MissingMethodException caused by using ToHashSet method (#22)
• Ambiguous call for new methods introduced in .NET 6.0 (#24)

5.0.0-beta.1

Fixed

• MissingMethodException for ToHashSet (#22). This could also happen with Append and Prepend.

New

• Added netcoreapp3.1 and net5.0 TFMs

Removed (breaking changes)

• Removed ToHashSet, Append, Prepend. These methods already exist in recent versions of the framework, offer little benefit, and were causing too much trouble (see #22, #19)
• Removed obsolete TFMs: netstandard1.0, netstandard1.6, net471, net472, netcoreapp2.0

4.1.0

New

• New TFMs netstandard2.1, netcoreapp2.0 and net472 (in order to fix #19)

Fixed

• Ambiguous invocation error for calls to ToHashSet if both the System.Linq and Linq.Extras namespaces are imported (#19)

4.0.0

Fixed

• [Breaking change] Fix Min/Max with comparer and MinBy/MaxBy to match the Linq behavior with regard to null values, and add nullability attribute to reflect the change (#17). The changes are as follows:

  • If the sequence is empty and the item type is a reference type or nullable value type, it will return null instead of throwing an exception (same as Linq's Min<TSource>/Max<TSource)
  • Null values are ignored when looking for a min/max value, unless all values in the sequence are null

  Thanks to @sid-6581 for reporting the issue!

Other

• Fix some nullability warnings
• Improve build script (thanks to @adamralph)

4.0.0-beta.1

Breaking change

• Fix Min/Max with comparer and MinBy/MaxBy to match the Linq behavior with regard to null values, and add nullability attribute to reflect the change (#17). The changes are as follows:
  • If the sequence is empty and the item type is a reference type or nullable value type, it will return null instead of throwing an exception (same as Linq's Min<TSource>/Max<TSource)
  • Null values are ignored when looking for a min/max value, unless all values in the sequence are null

3.0.0

New

• Enabled C# 8 nullability analysis and annotations
• The type returned by WithIndex now has a deconstructor, allowing this kind of usage:

  foreach (var (item, index) in collection.WithIndex())
  {
      ...
  }

• Improved performance of WithIndex, with specific overloads for array and List<T>.

Breaking changes

• The IIndexedItem<T> interface has been replaced with an ItemWithIndex<T> struct, for performance reasons

2.0.0

New

• Added strong name
• Added netstandard1.6 and net471 targets

Removed

• Removed Append and Prepend methods for frameworks that already have it (netcoreapp1.0 and higher, net471 and higher, netstandard1.6 and higher)

Changed

• Moved release notes to GitHub releases

Other

• Dropped Cake in favor of a custom build script based on csproj, Bullseye and SimpleExec
• Switched to MinVer to handle versioning

2.0.0-alpha.2

Changed

• Moved release notes to GitHub releases

2.0.0-alpha.1

New

• Added strong name
• Added netstandard1.6 and net471 targets

Removed

• Removed Append and Prepend methods for frameworks that already have it (netcoreapp1.0 and higher, net471 and higher, netstandard1.6 and higher)

Other

• Dropped Cake in favor of a custom build script based on csproj, Bullseye and SimpleExec
• Switched to MinVer to handle versioning

1.2.0

New

• added support for .NET Standard 2.0
• added support for SourceLink