Node.js 20 is deprecated. The following actions target Node.js 20 but are being forced to run on Node.js 24: actions/checkout@v2, actions/setup-dotnet@v1. For more information see: https://github.blog/changelog/2025-09-19-deprecation-of-node-20-on-github-actions-runners/

'TaskFetchAction' is obsolete: 'This class is deprecated. Use TaskFetchSubmitActionData instead. This will be removed in a future version of the SDK.'

Dereference of a possibly null reference.

Dereference of a possibly null reference.

Dereference of a possibly null reference.

'AppInvokeActivityExtensions.OnTaskSubmit(App, Func<IContext<Tasks.SubmitActivity>, Task<Response>>)' is obsolete: 'Use the handler with the cancellation token'

'AppInvokeActivityExtensions.OnTaskFetch(App, Func<IContext<Tasks.FetchActivity>, Task<Response>>)' is obsolete: 'Use the handler with the cancellation token'

'AppActivityExtensions.OnMessage(App, Func<IContext<MessageActivity>, Task>)' is obsolete: 'Use the handler with the cancellation token'

'TaskFetchAction' is obsolete: 'This class is deprecated. Use TaskFetchSubmitActionData instead. This will be removed in a future version of the SDK.'

'TaskFetchAction' is obsolete: 'This class is deprecated. Use TaskFetchSubmitActionData instead. This will be removed in a future version of the SDK.'