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Asked: 2026-05-26T16:24:30+00:00

I am using EF 4.0, at the time I am writing these lines I

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I am using EF 4.0, at the time I am writing these lines I heard that EF 4.1 update 1 has been released and EF 4.2 is in beta. From wikipedia

A refresh of version 4.1 named Entity Framework 4.1 Update 1, was
released on July 25, 2011. It includes bug fixes and new supported
types.

But I only found a link of Version 4.1.10311.0 from Microsoft which date published is 3/21/2011. So I wonder if version 4.1.10311.0 is the latest release so far. If it’s not, where can I download the latest release ?

ps : For some reasons I can’t use live update, I need to download package to install manually.

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  1. Editorial Team

    If you are using EFv4.0 you mostly don’t need EFv4.1 or EFv4.2. Those versions bring new type of mapping (code first / fluent) and new DbContext API which can be used instead of ObjectContext API. So unless you want to start a new project with those “new” features or completely migrate your existing project you don’t need it. Real new functionality for you will be included in .NET 4.5. DbContext API and code first is shipped only as NuGet package since EFv4.2.

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