What is the difference between MVC 2 and MVC3 [closed]

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What are few differences between Asp.Net MVC 3 and MVC 2 framework.

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Here is the definitive answer!

http://www.asp.net/mvc/mvc3#overview

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Also make sure to read the Release Notes for breaking changes. There are a few API and runtime changes that might cause existing applications to not work any more.