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The HostApplicationBuilder constructor that accepts a HostApplicationBuilderSettings object now applies the HostApplicationBuilderSettings.Args property, regardless of whether DisableDefaults is set to true or false.
Version introduced
.NET 8 Preview 2
Previous behavior
Previously, the HostApplicationBuilderSettings.Args property was ignored when HostApplicationBuilderSettings.DisableDefaults was set to true.
New behavior
Starting in .NET 8, the HostApplicationBuilderSettings.Args value is added to HostApplicationBuilder.Configuration regardless of whether DisableDefaults is set to true or false.
Type of breaking change
This change is a behavioral change.
Reason for change
The behavior of ignoring HostApplicationBuilderSettings.Args was unexpected, even when HostApplicationBuilderSettings.DisableDefaults was set to true. That's because if the caller didn't want the command-line arguments applied to the HostApplicationBuilder, they wouldn't have set them on the HostApplicationBuilderSettings object. Since the caller did pass the command-line arguments on the settings, those arguments should be respected.
Recommended action
If you don't want the command-line arguments to be added to the HostApplicationBuilder configuration, leave the HostApplicationBuilderSettings.Args property set to null.
Affected APIs
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