ASP.NET Core: Difference between revisions

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| latest release date = {{Start date and age|20212023|11|0814|df=yes}}<ref>{{Cite web|date=20212023-11-0814|title=Announcing ASP.NET Core in .NET 68|url=https://devblogs.microsoft.com/dotnet/announcing-asp-net-core-in-netdotnet-68/|access-date=20212023-11-19|website=.NET Blog|language=en-US}}</ref>

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'''ASP.NET Core''' is a [[free andan open-source modular web-application framework. It is a redesign of [[ASP.NET]] that unites the previously separate [[webASP.NET frameworkMVC]] and successor to [[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> developed by [[Microsoft]].<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> ItDespite isbeing a modularnew 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 runsdifferent 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 fullWindows-only [[.NET Framework]], on [[Windows]], and the [[cross-platform]] [[.NET]]. However, support for the ASP.NET CoreFramework versionwas 3dropped worksbeginning only onwith ASP.NETNet Core dropping support of the 3.NET Framework0.<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 ishas droppingdropped 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]] arewas 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>

The framework is a complete rewrite that unites the previously separate [[ASP.NET MVC]] and [[ASP.NET Web API]] into a single [[programming model]].

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 is not possible with previous versions of ASP.NET.

[[Blazor]] is a recent (optional) component to support [[WebAssembly]] and since version 5.0 it is dropping 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]] are 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>

== Release history ==

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|Visual Studio 2017 and 2019

|-

|{{Version|coo|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" />

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|Visual Studio 2019 16.8

|-

|{{Version|co|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}}

|}

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* 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

* A unified story for building web UI and web APIs (i.e. both the same)

* A cloud-ready environment-based configuration system

* A light-weightlightweight 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 ==

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{{Wikibooks|.NET Development Foundation}}

* {{Official website}}

* [https://github.com/aspnet/home ASP.NET Core] on [[GitHub]]

* Announcing ASP.NET Core 2.1 RC [https://blogs.msdn.microsoft.com/dotnet/2018/05/07/announcing-net-core-2-1-rc-1/]

{{.NET Framework}}

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[[Category:ASP.NET|VNext]]

[[Category:Web frameworks]]

[[Category:Microsoft free software]]

[[Category:Software using the Apache license]]

[[Category:Web frameworks]]