ASP.NET Version History

ASP.NET is developed by Microsoft. It is an open-source, server-side framework specially designed for web development. It is cross-platform. 

Version 1.0

Released on January 16, 2002. 

The first version was released jointly with Visual Studio .NET

Features

• It supports object-oriented features such as inheritance, polymorphism, and many other features. 
• It is based on Windows programming 

Version 1.1

Released on April 24, 2003. 

It was released jointly with Windows Server 2003 and Visual Studio .NET 2003. 

Features

• Automatic Input Validations
• Mobile Control

Version 2.0

Released on November 7, 2005. 

It was released jointly with Visual Studio 2005 and Visual Web Developer Express and SQL server 2005.

Features

• Login controls
• Skins
• Web parts
• Navigation controls
• Master pages
• Full pre-compilation
• Provider class model

Version 3.0

Released on November 21, 2006. 

It was released with windows vista. 

Features

• Windows Presentation Foundation
• Windows Workflow Foundation
• Windows CardSpace is used for login rules. 

Version 3.5

Released on November 19, 2007. 

It was released jointly with Visual studio 2008 and Windows server 2008. 

Features

• It supports HTTP pipelining and syndication feeds. 
• Introduction of new data controls such as ListView and DataPager 
• WCF supports RSS, JSON, POX, and Partial Trust. 

Version 3.5 Service Pack 1

Released on August 11, 2008. 

It was released jointly with Visual Studio 2008 Service Pack 1. 

• Incorporation of ASP.NET dynamic data
• New namespaces System.Web.Abstraction and System.Web.Routing
• Controlling browser history. 

Version 4.0

Released on April 12, 2020. 

It was released together with Visual Studio 2010. 

Features

Some properties were added in the Page class such as MetaKeyword and MetaDescription. 

Version 4.5

Released on August 15, 2012. 

It was released together with Visual Studio 2012. 

Version 4.5.1

Released on October 17, 2013. 

It was released together with Visual Studio 2013. 

Features

• EF6
• SignalR
• OWIN
• Bootstrap 3.0

Version 4.5.2

Released on May 5, 2014. 

Features

• HTTP inspection and modification methods were introduced. 
• New schedule backgrounds 

Version 4.6

Released on July 20, 2015.

It was released jointly with Visual studio 2015. 

Features

• HTTP/2 support when running on Windows 10. 

Version 4.6.1

Released on November 16, 2015.

Version 4.6.2

Released on August 2, 2016. 

Features

Improved asynchronous support

Version 4.7

Released on April 11, 2017. 

The feature was included in Windows 10 creators.

Features

OS support for TSL protocols

Version 4.7.1

Released on October 17, 2017. 

Features

• SHA-2 support
• Improved accessibility

Version 4.7.2

Released on April 30, 2018. 

Version 4.8

Released on April 18, 2019

Features

• ZLib updated
• JIT and NGEN Improvements
• Accessibility Enhancements for WinForms

Version 5 RC1

Released on November 18, 2015

Version Table