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{{Short description|Open-source web application framework}}
:''For the current framework, see: [[ASP.NET]]''
{{Infobox software
| name = ASP.NET Core
| logo = <!-- Image name is enough. -->
| logo alt =
| logo caption =
| screenshot = <!-- Image name is enough. -->
| screenshot alt =
| caption =
| collapsible = <!-- Any text here will collapse the screenshot. -->
| author = [[Microsoft]]
| developer = [[.NET Foundation]] and the open source community
| released = {{Start date and age|2016|06|07}}
| discontinued = <!-- Set to yes if software is discontinued, otherwise omit. -->
| ver layout = <!-- simple (default) or stacked -->
| latest release version = v8.0.0
| latest release date = {{Start date and age|2023|11|14|df=yes}}<ref>{{Cite web|date=2023-11-14|title=Announcing ASP.NET Core in .NET 8|url=https://devblogs.microsoft.com/dotnet/announcing-asp-net-core-in-dotnet-8/|access-date=2023-11-19|website=.NET Blog|language=en-US}}</ref>
| repo = <!-- {{URL|example.org}} -->
| programming language = [[C Sharp (programming language)|C#]]
| operating system = [[Microsoft Windows|Windows]], [[macOS]], [[Linux]]
| platform = [[Cross-platform]]
| size =
| language =
| language count = <!-- Number only -->
| language footnote =
| genre = [[Web framework]]
| license = [[MIT License]]<ref name="GHlicense">{{cite web|url=https://github.com/aspnet/AspNetCore/blob/master/LICENSE.txt| title= ASP.NET Core license|website=[[GitHub]] |access-date=2021-09-29}}</ref>
| alexa =
| website = {{URL|https://dotnet.microsoft.com/apps/aspnet}}
| standard =
| AsOf =
}}
'''ASP.NET Core''' is an open-source modular web-application framework. It is a redesign of [[ASP.NET]] that unites the previously separate [[ASP.NET MVC]] and [[ASP.NET Web API]] into a single [[programming model]].<ref>{{Cite web|url=https://docs.microsoft.com/en-us/aspnet/core/fundamentals/choose-aspnet-framework|title=Choose between ASP.NET 4.x and ASP.NET Core|website=docs.microsoft.com|date=10 April 2024 }}</ref><ref>{{cite web|last1=singh Satinder|title=Introduction to ASP.NET Core|url=https://docs.microsoft.com/en-us/aspnet/core/|website=microsoft.com|access-date=10 July 2017}}</ref> Despite being a new framework, built on a new web stack, it does have a high degree of concept compatibility with ASP.NET. The ASP.NET Core framework supports side-by-side versioning so that different applications being developed on a single machine can target different versions of ASP.NET Core. This was not possible with previous versions of ASP.NET. ASP.NET Core initially ran on both the Windows-only [[.NET Framework]] and the [[cross-platform]] [[.NET]]. However, support for the .NET Framework was dropped beginning with ASP.Net Core 3.0.<ref>{{Cite web|url=https://docs.microsoft.com/en-us/aspnet/core/|title=Introduction to ASP.NET Core|website=docs.microsoft.com}}</ref>
 
[[Blazor]] is a recent (optional) component to support [[WebAssembly]] and since version 5.0, it has dropped support for some old web browsers. While current [[Microsoft Edge]] works, the [[legacy system|legacy version]] of it, i.e. "[[Microsoft Edge|Microsoft Edge Legacy]]" and [[Internet Explorer 11]] was dropped when you use Blazor.<ref>{{Cite web|title=[Discussion] Updated Blazor browser support for .NET 5 · Issue #26475 · dotnet/aspnetcore|url=https://github.com/dotnet/aspnetcore/issues/26475|access-date=2020-11-11|website=GitHub|language=en}}</ref>
'''ASP.NET Core''' is an [[Open-source software|open-source]] [[Web framework|web application framework]], and the next generation of [[ASP.NET]], developed by [[Microsoft]] and the community. It is a modular framework that runs on both the full [[.NET Framework]], on [[Microsoft Windows|Windows]], and the [[cross-platform]] [[.NET Core]].
 
== Release history ==
The framework is a complete rewrite that unites the previously separate [[ASP.NET MVC]] and [[ASP.NET Web API|Web API]] into a single [[programming model]].
{| class="wikitable"
!Version Number
!Release Date
!End of Support
!Supported Visual Studio Version(s)
 
|-
Despite being a new framework, built on a new web stack, it does have a high degree of concept compatibility with ASP.NET MVC.
|{{Version|o|1.0}}
|2016-06-27
|2019-06-27
|[[Visual Studio 2015]], [[Visual Studio 2017|2017]]
|-
|{{Version|o|1.1}}
|2016-11-18
|2019-06-27
|Visual Studio 2015, 2017
|-
|{{Version|o|2.0}}
|2017-08-14
|2018-10-01
|Visual Studio 2017
|-
|{{Version|o|2.1}} [[long-term support]]
|2018-05-30
|2021-08-21<ref>{{Cite web|url=https://github.com/dotnet/core|title=GitHub - dotnet/core: Home repository of .NET and .NET Core|date=October 20, 2019|via=GitHub}}</ref>
|Visual Studio 2017
|-
|{{Version|o|2.2}}
|2018-12-04<ref>{{Cite web|url=https://devblogs.microsoft.com/aspnet/asp-net-core-2-2-available-today/|title=ASP.NET Blog &#124; Announcing ASP.NET Core 2.2, available today!|date=December 4, 2018|website=ASP.NET Blog}}</ref>
|2019-12-23<ref name=":0">{{Cite web|url=https://dotnet.microsoft.com/platform/support/policy/dotnet-core|title=.NET Core and .NET 5 official support policy|website=Microsoft|language=en|access-date=2019-12-06}}</ref>
|Visual Studio 2017 15.9 and [[Visual Studio 2019|2019]] 16.0 preview 1
|-
|{{Version|o|3.0}}
|2019-09-23<ref>{{Cite web|url=https://devblogs.microsoft.com/aspnet/asp-net-core-and-blazor-updates-in-net-core-3-0/|title=ASP.NET Blog &#124; ASP.NET Core and Blazor updates in .NET Core 3.0|date=September 23, 2019|website=ASP.NET Blog}}</ref>
|2020-03-03<ref name=":0" />
|Visual Studio 2017 and 2019
|-
|{{Version|o|3.1}} [[long-term support]]
|2019-12-03<ref>{{Cite web|url=https://devblogs.microsoft.com/aspnet/asp-net-core-updates-in-net-core-3-1/|title=ASP.NET Core updates in .NET Core 3.1|date=December 3, 2019|website=ASP.NET Blog}}</ref>
|2022-12-03<ref name=":0" />
|Visual Studio 2019
|-
|{{Version|o|5.0}}
|2020-11-10<ref name="5.0">{{Citation|title=dotnet/aspnetcore|date=2020-11-11|url=https://github.com/dotnet/aspnetcore|publisher=.NET Platform|access-date=2020-11-11}}</ref>
|2022-05-08
|Visual Studio 2019 16.8
|-
|{{Version|o|6.0}} [[long-term support]]
|2021-11-08<ref>{{Cite web|date=2021-11-08|title=Announcing ASP.NET Core in .NET 6|url=https://devblogs.microsoft.com/dotnet/announcing-asp-net-core-in-net-6/|access-date=2021-11-19|website=.NET Blog|language=en-US}}</ref>
|2024-11-08
|Visual Studio 2022
|-
|{{Version|o|7.0}} standard-term support<ref>{{cite web |title=.NET and .NET Core Support Policy |url=https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core |website=Microsoft |access-date=2024-10-02}}</ref>
|2022-11-08<ref>{{Cite web|date=2022-11-08|title=Announcing ASP.NET Core in .NET 7|url=https://devblogs.microsoft.com/dotnet/announcing-asp-net-core-in-dotnet-7/|access-date=2024-10-02|website=.NET Blog|language=en-US}}</ref>
|2024-05-14
|Visual Studio 2022
|-
|{{Version|co|8.0}} long-term support<ref>{{cite web |title=.NET and .NET Core Support Policy |url=https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core |website=Microsoft |access-date=November 19, 2023}}</ref>
|2023-11-14<ref>{{Cite web|date=2022-11-08|title=Announcing ASP.NET Core in .NET 8|url=https://devblogs.microsoft.com/dotnet/announcing-asp-net-core-in-dotnet-8/|access-date=2023-11-19|website=.NET Blog|language=en-US}}</ref>
|2026-11-10
|Visual Studio 2022
|-
|{{Version|c|9.0}} standard-term support<ref>{{cite web |title=.NET and .NET Core Support Policy |url=https://dotnet.microsoft.com/en-us/platform/support/policy/dotnet-core |website=Microsoft |access-date=November 12, 2024}}</ref>
|2024-11-12<ref>{{Cite web|date=2024-11-12|title=Announcing NET 9|url=https://devblogs.microsoft.com/dotnet/announcing-dotnet-9/|access-date=2024-11-12|website=.NET Blog|language=en-US}}</ref>
|2026-05-12
|Visual Studio 2022
|-
 
| colspan="4" |{{Version|l|show=011100}}
|}
 
== Naming ==
Originally deemed '''ASP.NET vNext''', the framework was going to be called '''ASP.NET 5'''<ref>{{cite web|url=http://www.asp.net/vnext/overview/aspnet-vnext/aspnet-5-overview#unify|title=ASP.NET 5 Overview|author=Tom FitzMacken|work=The Official Microsoft ASP.NET Site|accessdate=17 January 2015}}</ref> when ready. However, in order to avoid implying it is an update to the existing ASP.NET framework, Microsoft later changed the name to '''ASP.NET Core at the 1.0''' release.<ref>{{cite web|url=http://blogs.msdn.com/b/webdev/archive/2016/01/19/asp-net-5-is-dead-introducing-asp-net-core-1-0-and-net-core-1-0.aspx|title=ASP.NET 56 is dead - Introducing ASP.NET Core 1.0 and .NET Core 1.0|author=Jeffrey T. Fritz|work=.NET Web Development and Tools Blog|accessdateaccess-date=20 January 2016}}</ref>
 
== Features ==
* No-compile developer experience (i.e. compilation is continuous, so that the developer does not have to invoke the compilation command)
* Modular framework distributed as [[NuGet]] packages
* Cloud-optimized runtime (optimized for the internet)
* Host-agnostic via [[Open Web Interface for .NET]] (OWIN) support<ref>{{cite web |title=OWIN |url=http://docs.asp.net/en/latest/fundamentals/owin.html |website=ASP.NET 0.0.1 documentation|date=17 September 2024 }}</ref><ref>{{cite web |title=Roadmap |url=https://github.com/aspnet/AspNetKatana/wiki/Roadmap |website=Github}}</ref> – runs in [[Internet Information Services|IIS]] or standalone
* Host-agnostic - runs in IIS or standalone
* A unified story for building web UI and web APIs (i.e. both the same)
* A cloud-ready environment-based configuration system
* A lightweight and modular HTTP request pipeline
* Build and run cross-platform ASP.NET Core apps on Windows, Mac, and Linux
* Open-source and community-focused
* Side-by-side app versioning when targeting .NET
* In-built support for [[dependency injection]]
* Enhanced Security compared to Asp.Net <ref>{{cite web |title=ASP.NET vs ASP.NE CORE |url=https://wirefuture.com/post/aspnet-vs-aspnet-core |website=ASP.NET VS. ASP.NET Core: The Ultimate Showdown|date=17 February 2024 }}</ref>
 
== Components ==
Line 21 ⟶ 129:
* [[ASP.NET MVC|MVC]] Core
* [[ASP.NET Razor|Razor]] Core
* [[SignalR]]
* [[Blazor]]
* [[Kestrel web server]]
 
== See also ==
{{Portal|Free and open-source software}}
* [[.NET Compiler Platform]]
* [[.NET Core]]
* [[NuGet]]
* [[Mono (software)|Mono]]
* [[Visual Studio Code]]
 
== References ==
{{reflistReflist}}
 
== External links ==
{{Wikibooks|.NET Development Foundation}}
* [https://github.com/aspnet/home ASP.NET] on [[GitHub]]
* {{Official website}}
* [https://blogs.msdn.microsoft.com/webdev/2016/06/27/announcing-asp-net-core-1-0/ Announcing ASP.NET Core 1.0]
* [https://github.com/aspnet/home ASP.NET Core] on [[GitHub]]
 
{{.NET Framework}}
{{Microsoft FOSS}}
{{Web frameworks}}
 
[[Category:ASP.NET|VNext]]
[[Category:Microsoft free software]]
[[Category:Software using the Apache license]]
[[Category:Web frameworks]]
Retrieved from "https://en.wikipedia.org/wiki/ASP.NET_Core"