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Async methods do not support cancellation #588
Description
https://github.com/microsoft/FeatureManagement-Dotnet/blob/main/src/Microsoft.FeatureManagement/IFeatureManager.cs does not support https://learn.microsoft.com/en-us/dotnet/csharp/asynchronous-programming/cancel-an-async-task-or-a-list-of-tasks as is best practices in asynchronous programming.
Furthermore the overload Task<bool> IsEnabledAsync<TContext>(string feature, TContext context); gladly accepts CancellationToken as the context parameter, further adding confusion.
Activity
jimmyca15 commentedon Mar 30, 2026
Hello Michael Elleby (@michaelelleby), IFeatureManager was released without a CancellationToken parameter, and updating it would have been a breaking change.
We added a new interface that supersedes IFeatureManager named IVariantFeatureManager. This has cancellation token support.