net10.0 
namespace Microsoft.Build.Utilities
{
    [LoadInSeparateAppDomain]
    [Obsolete("AppDomains are no longer supported in .NET Core or .NET 5.0 or higher.")]
    public abstract class AppDomainIsolatedTask : MarshalByRefObject, ITask
    {
        [Obsolete("AppDomains are no longer supported in .NET Core or .NET 5.0 or higher.")]
        [SecurityCritical]
        public override object InitializeLifetimeService();
    }
}
.NET
10.0
.NET Framework
2.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
Information specific to net10.0
Assembly

Microsoft.Build.Utilities.Core , Version=15.1.0.0, PublicKeyToken=b03f5f7f11d50a3a

Referencing

Your project needs a package reference to Microsoft.Build.Utilities.Core.

Package Microsoft.Build.Utilities.Core (18.0.2) net10.0
Obsolete AppDomains are no longer supported in .NET Core or .NET 5.0 or higher.
Platform Restrictions

This API is supported on all platforms.

  • Built-in API
  • Package-provided API