NET apps), see Working with macOS Catalina Notarization. If you run a non-notarized app, you'll see an error similar to the following image:įor more information about how enforced-notarization affects. Prior released versions aren't notarized. NET Core 3.1, 3.0, and 2.1, have been notarized since February 18, 2020. NET apps.Ī + symbol represents the minimum version.NET Core Versionīeginning with macOS Catalina (version 10.15), all software built after Jthat is distributed with Developer ID, must be notarized. It's highly recommended that you install ASP.NET Core runtime for the best compatibility with. This runtime is the simplest runtime and doesn't include any other runtime. There are two different runtimes you can install on macOS: If they don't include the runtime, it's up to the user to install the runtime. When an app author publishes an app, they can include the runtime with their app. The runtime is used to run apps created with. The downloads for these still remain published: These versions remain supported until the version of. NET releases and the versions of macOS they're supported on. The following table is a list of currently supported.