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AWS Durable Execution SDK for .NET now Generally Available

Developer Tools Blog

This article announces the general availability of the AWS Lambda Durable Execution SDK for .NET, enabling developers to build resilient multi-step workflows without custom state management code.

  • Automatically checkpoints progress after each step and replays from the last checkpoint on interruption
  • Supports steps, waits (up to one year), retries with configurable backoff, and child contexts for grouping operations
  • Includes human approval workflows via callbacks that suspend execution until external systems respond
  • Provides local testing with DurableTestRunner for fast iteration without AWS resources
  • Deploys to managed dotnet10 runtime with same tools as standard Lambda functions
  • Includes blueprint scaffolding for order processing workflows with validation, payment charging, and shipping

Developers can now build durable workflows in C# with automatic resilience, eliminating boilerplate state management and retry logic.

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