Overview of changes introduced in version 4
4.0.1 (2021-03-15) - Upgraded application to .Net 5 and grouped references of Altinn App and Altinn Platform services in Startup.cs
Altinn.App.* librarires target .Net 5 now, which requires that the application does the same. In addition we have created two methods for referencing all app and platform sevices in Startup.cs
See breaking changes for how to update you app to be compatible with this version.