Updated: July 9, 2020 (June 9, 2008)

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.NET Framework Summary

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456 wordsTime to read: 3 min

The .NET Framework is a software component for running and loading applications and is the core of most of Microsoft’s strategic developer products. It consists of the .NET Common Language Runtime (CLR), a set of Base Class Libraries (BCL) that provides functions broadly useful across different types of applications, and a variety of domain-specific libraries.

.NET Framework 1.0 was the first release and shipped in Apr. 2002. Mainstream support for the first release ended July 10, 2007, with Extended support available through July 14, 2009.

.NET Framework 1.1 was a minor update that offered Internet Protocol version 6 (IPv6) support along with performance and scalability improvements. It shipped in July 2003 and Mainstream support for version 1.1 ends Oct. 14, 2008.

.NET Framework 2.0 was a major update that shipped with Visual Studio (VS) 2005. It included new versions of ASP.NET, support for 64-bit processors, as well as generics—a programming language feature that makes it easier for a developer to create reusable data structures. Mainstream support ends April 12, 2011.

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