Table of contents

    Compatibility

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    The easiest way to describe what Mono currently supports is:
    Everything in .NET 4.5 except WPF, WWF, and with limited WCF and limited ASP.NET 4.5 async stack.

    Here is a slightly more detailed view, by .NET framework version:

    Implemented Partially Implemented Not Implemented

    .NET 4.5

    C# 5.0 - async support
    Async Base Class Library Upgrade
    MVC4 - Partial, no async features supported.
    ASP.NET 4.5 Async Pipeline - Needs an parallel processing pipeline with async support, not done.

    .NET 4.0

    C# 4.0
    ASP.Net 4.0
    ASP.Net MVC 1, MVC 2 and MVC3
    System.Numerics
    Managed Extensibily Framework - Shared with .NET via MS-PL license
    Dynamic Language Runtime - Shared with .NET via MS-PL license
    Client side OData - Shared with .NET via MS-PL license
    EntityFramework - Available since Mono 2.11.3.
    Parallel Framework and PLINQ
    CodeContracts - API complete, partial tooling
    Server-side OData - Depends on Entity Framework.

    .NET 3.5

    C# 3.0
    System.Core
    LINQ
    ASP.Net 3.5
    ASP.Net MVC
    LINQ to SQL - Mostly done, but a few features missing

    .NET 3.0

    WCF - silverlight 2.0 subset completed
    WPF - no plans to implement
    WWF - Will implement WWF 4 instead on future versions of Mono.

    .NET 2.0

    C# 2.0 (generics)
    Core Libraries 2.0: mscorlib, System, System.Xml
    ASP.Net 2.0 - except WebParts
    ADO.Net 2.0
    Winforms/System.Drawing 2.0 - does not support right-to-left

    .NET 1.1

    C# 1.0
    Core Libraries 1.1: mscorlib, System, System.Xml
    ASP.Net 1.1
    ADO.Net 1.1
    Winforms/System.Drawing 1.1
    System.Transactions
    System.Management - does not map to Linux
    System.EnterpriseServices - deprecated