F# 1.1.13.8 has just been posted, the first external release of F# 1.1.13, and is available for download from [link:research.microsoft.com]. The full announcement is at [link:blogs.msdn.com]

Enjoy!

The F# team, MSR Cambridge

Summary of changes

Language Enhancements

• Range Comprehensions. e.g. {1 .. 3}
• IEnumerable, Array and List Comprehensions.
• Named arguments and post-hoc property-setters
• 'for' loops over enumerables.
• C-style syntax for native functions.
• Structs and Enums .
• Slick member syntax for object expressions.
• Pattern matching on arrays.
• Tightening of #light rules.
• Custom Attributes on parameters.
• Fast 'for' loops for Range Comprehensions.

Library Enhancements

• Seq as shorthand for IEnumerable.
• Extensive design review of F# namespaces.
• New library functions.
• Optional Safer Collections.
• New Module ResizeArray.
• NativeInterop additions NativeArray, CMatrix, FortranMatrix, PinnedArray, PinnedArray2
• Library addition: Matrix.copy, Vector.copy, Array2.copy, F# Immutable Map values now support the map.[i] syntax., Map, Set and HashSet now support IEnumerable

F# Interactive Enhancements

• TAB completion and history in F# Console.

Visual Studio Enhancements

• Visual Studio: Goto defintition across projects
• Improved speed of bracket matching in Visual Studio mode.
• Resources in projects: .resx resources may now be added to the list of files in the Visual Studio mode.

Compiler Enhancements

• Resources on the command line: .resx resources may now be added to the F# command-line compiler and as files in the Visual Studio mode.
• New switch --generate-filter-blocks.

Samples

• New LAPACK sample.. See samples\fsharp\math\LAPACK
• New WPF sample for use with F# Interactive. See samples\fsharp\WPF