Lifecycle guide for System.Threading.Tasks.Dataflow from Microsoft

All releases, patches, maintenance and support periods at a glance

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📅 Last update on 2026-08-15

What is System.Threading.Tasks.Dataflow?

Automate product release and end-of-life management

TPL Dataflow promotes actor/agent-oriented designs through primitives for in-process message passing, dataflow, and pipelining. TDF builds upon the APIs and scheduling infrastructure provided by the Task Parallel Library (TPL), and integrates with the language support for asynchrony provided by C#, Visual Basic, and F#. Commonly Used Types: System.Threading.Tasks.Dataflow.ActionBlock<TInput> System.Threading.Tasks.Dataflow.BatchBlock<T> System.Threading.Tasks.Dataflow.BatchedJoinBlock<T1, T2> System.Threading.Tasks.Dataflow.BatchedJoinBlock<T1, T2, T3> System.Threading.Tasks.Dataflow.BroadcastBlock<T> System.Threading.Tasks.Dataflow.BufferBlock<T> System.Threading.Tasks.Dataflow.DataflowBlock System.Threading.Tasks.Dataflow.JoinBlock<T1, T2> System.Threading.Tasks.Dataflow.JoinBlock<T1, T2, T3> System.Threading.Tasks.Dataflow.TransformBlock<TInput, TOutput> System.Threading.Tasks.Dataflow.TransformManyBlock<TInput, TOutput> System.Threading.Tasks.Dataflow.WriteOnceBlock<T>

The entire lifecycle of System.Threading.Tasks.Dataflow

The following figure shows you the visualised product life cycle of System.Threading.Tasks.Dataflow. You can see all releases with the latest patch version, the long-term support characteristics (orange flag in the green circle, the periods for version provision, maintenance and support.