Altinn.App.Core 8.9.0-preview.3

This is a prerelease version of Altinn.App.Core.

There is a newer version of this package available.
See the version list below for details.

dotnet add package Altinn.App.Core --version 8.9.0-preview.3

NuGet\Install-Package Altinn.App.Core -Version 8.9.0-preview.3

This command is intended to be used within the Package Manager Console in Visual Studio, as it uses the NuGet module's version of Install-Package.

<PackageReference Include="Altinn.App.Core" Version="8.9.0-preview.3" />

For projects that support PackageReference, copy this XML node into the project file to reference the package.

<PackageVersion Include="Altinn.App.Core" Version="8.9.0-preview.3" />
                    

                            Directory.Packages.props

<PackageReference Include="Altinn.App.Core" />
                    

                            Project file

For projects that support Central Package Management (CPM), copy this XML node into the solution Directory.Packages.props file to version the package.

paket add Altinn.App.Core --version 8.9.0-preview.3

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

#r "nuget: Altinn.App.Core, 8.9.0-preview.3"

#r directive can be used in F# Interactive and Polyglot Notebooks. Copy this into the interactive tool or source code of the script to reference the package.

#:package Altinn.App.Core@8.9.0-preview.3

#:package directive can be used in C# file-based apps starting in .NET 10 preview 4. Copy this into a .cs file before any lines of code to reference the package.

#addin nuget:?package=Altinn.App.Core&version=8.9.0-preview.3&prerelease
                    

                            Install as a Cake Addin

#tool nuget:?package=Altinn.App.Core&version=8.9.0-preview.3&prerelease
                    

                            Install as a Cake Tool

The NuGet Team does not provide support for this client. Please contact its maintainers for support.

<br/>

Altinn.App .NET libraries

Altinn.App .NET libraries for apps running on Altinn 3, part of the Altinn Studio product.

These libraries support the runtime of Altinn apps by

Exposing APIs used by service owners and the frontend (app-frontend-react) of an Altinn app
Exposing abstractions to interact with features of Altinn Studio and Altinn 3 Platform services

Contributing

See /CONTRIBUTING.md.

Documentation

Documentation on how to develop Altinn apps can be found here.

Architecture

This template is built using .NET

The below diagram shows the different layers.

Template

Product	Compatible and additional computed target framework versions.
.NET	net8.0 is compatible. net8.0-android was computed. net8.0-browser was computed. net8.0-ios was computed. net8.0-maccatalyst was computed. net8.0-macos was computed. net8.0-tvos was computed. net8.0-windows was computed. net9.0 was computed. net9.0-android was computed. net9.0-browser was computed. net9.0-ios was computed. net9.0-maccatalyst was computed. net9.0-macos was computed. net9.0-tvos was computed. net9.0-windows was computed. net10.0 was computed. net10.0-android was computed. net10.0-browser was computed. net10.0-ios was computed. net10.0-maccatalyst was computed. net10.0-macos was computed. net10.0-tvos was computed. net10.0-windows was computed.

Product

.NET

Compatible target framework(s)

Included target framework(s) (in package)

Learn more about Target Frameworks and .NET Standard.

net8.0
- Altinn.ApiClients.Maskinporten (>= 8.0.1)
- Altinn.Common.AccessTokenClient (>= 1.1.5)
- Altinn.Common.EFormidlingClient (>= 1.3.3)
- Altinn.Common.PEP (>= 4.2.2)
- Altinn.Platform.Models (>= 1.6.1)
- Altinn.Platform.Storage.Interface (>= 4.0.14)
- JsonPatch.Net (>= 3.3.0)
- JWTCookieAuthentication (>= 3.0.1)
- Microsoft.ApplicationInsights.AspNetCore (>= 2.23.0)
- Microsoft.Extensions.Caching.Hybrid (>= 9.10.0)
- Microsoft.FeatureManagement.AspNetCore (>= 4.3.0)
- Microsoft.IdentityModel.Protocols.OpenIdConnect (>= 8.14.0)
- Microsoft.Rest.ClientRuntime (>= 2.3.24)
- Microsoft.Rest.ClientRuntime.Azure (>= 3.3.19)
- Newtonsoft.Json (>= 13.0.4)
- OpenTelemetry.Api (>= 1.13.1)
- System.Text.RegularExpressions (>= 4.3.1)

NuGet packages (13)

Showing the top 5 NuGet packages that depend on Altinn.App.Core:

Package	Downloads
Altinn.App.Api This class library holds all the API controllers used by a standard Altinn 3 App.	390.3K
Altinn.Codelists This class library holds extra codelists for Altinn Studio apps.	22.8K
PsA3Forms Package Description	20.3K
Ft.Datafangst.Utils Package Description	15.2K
mattilsynet.foniks.altinn.common Felles funksjonalitet for altinnskjemaer	12.2K

GitHub repositories (1)

Showing the top 1 popular GitHub repositories that depend on Altinn.App.Core:

Repository	Stars
Altinn/altinn-studio Next generation open source Altinn platform and applications.	160

Version	Downloads	Last Updated
8.12.0-preview.1	13	4/22/2026
8.11.3	311	4/9/2026
8.11.2	414	3/25/2026
8.11.1	220	3/24/2026
8.11.0	306	3/23/2026
8.11.0-rc.3	62	3/18/2026
8.11.0-rc.2	96	3/18/2026
8.11.0-preview.1	75	2/25/2026
8.10.5	644	3/13/2026
8.10.4	209	3/13/2026
8.10.3	930	3/5/2026
8.10.2	747	2/25/2026
8.10.1	791	2/23/2026
8.10.0	934	2/16/2026
8.10.0-preview.3	69	1/30/2026
8.10.0-preview.2	60	1/23/2026
8.10.0-preview.1	75	1/22/2026
8.9.2	2,588	1/8/2026
8.9.0-preview.3	365	11/21/2025

Release notes look best on GitHub: https://github.com/Altinn/app-lib-dotnet/releases/tag/v8.9.0-preview.3

## What's Changed
### New Features 🎉
* Support options with group binding by @ivarne in https://github.com/Altinn/app-lib-dotnet/pull/1576
### Bugfixes 🐛
* Handle the nullable hack we use for [XmlText] fields by @ivarne in https://github.com/Altinn/app-lib-dotnet/pull/1566
### Dependency Upgrades 📦
* chore(deps): update github/codeql-action digest to 5d5cd55 by @renovate[bot] in https://github.com/Altinn/app-lib-dotnet/pull/1556
* chore(deps): update nuget non-major dependencies (patch) by @renovate[bot] in https://github.com/Altinn/app-lib-dotnet/pull/1557
* chore(deps): update actions/upload-artifact action to v5 by @renovate[bot] in https://github.com/Altinn/app-lib-dotnet/pull/1546
* chore(deps): update nuget non-major dependencies (minor) by @renovate[bot] in https://github.com/Altinn/app-lib-dotnet/pull/1558
### Other Changes
* Gracefully shutdown app by @martinothamar in https://github.com/Altinn/app-lib-dotnet/pull/1543
* Improve Layout component hierarchy by @ivarne in https://github.com/Altinn/app-lib-dotnet/pull/1574
* Adds MIME type for .ifc files by @MLapinskas in https://github.com/Altinn/app-lib-dotnet/pull/1581
## New Contributors
* @MLapinskas made their first contribution in https://github.com/Altinn/app-lib-dotnet/pull/1581
**Full Changelog**: https://github.com/Altinn/app-lib-dotnet/compare/v8.9.0-preview.2...v8.9.0-preview.3