Advanced - Compatibility version

In this article

• The next minor version of ASP.NET Core may provide a new CompatibilityVersion value.

• CompatibilityVersion values Version_2_0 through Version_2_2 are marked [Obsolete(...)].

• See Breaking API changes in Antiforgery, CORS, Diagnostics, Mvc, and Routing. This list includes breaking changes for compatibility switches.

Ref: Compatibility version for ASP.NET Core MVC