AWS Developer Tools Blog

We are excited to announce the General Availability (GA) of the AWS IoT Device SDK for Swift. This release gives Swift developers a production-ready SDK with stable APIs and integrated service clients to connect applications to AWS IoT Core. What’s New The GA release now provides easy-to-configure service clients for three essential AWS IoT Core […]

As previously announced, version 3 of the AWS SDK for .NET entered maintenance mode on March 1, 2026. In alignment with our SDKs and Tools Maintenance Policy, AWS SDK for .NET V3 has now reached end-of-support as of June 1, 2026.  Starting June 1, 2026, there are no plans for further updates or releases for V3, including security fixes. […]

As previously announced, version 4 of the AWS Tools for PowerShell entered maintenance mode on March 1, 2026. In accordance with our SDKs and Tools Maintenance Policy, AWS Tools for PowerShell V4 has now reached end-of-support as of June 1, 2026.  Starting June 1, 2026, there are no plans for further updates or releases for V4, including security fixes. Previously published releases should continue […]

The new multipart download support in AWS Tools for PowerShell v5 improves the performance of downloading large objects from Amazon Simple Storage Service (Amazon S3) compared to the single-stream downloads. The Read-S3Object and Copy-S3Object cmdlets now deliver faster download speeds through an opt-in switch parameter -UseMultipartDownload for multipart downloads, reducing the need for complex code to manage […]

When your application calls an AWS service and the request fails with a retryable error, the AWS SDK retries it automatically. The retry behavior controls how long the SDK waits between attempts and when it gives up. Most of this happens in the background, but it directly affects how your application experiences errors and latency. […]

We are pleased to announce the general availability of the Amazon S3 Transfer Manager for Swift – a high level file and directory transfer utility for the Amazon Simple Storage Service (Amazon S3) built with the AWS SDK for Swift. Using Transfer Manager’s simple API, you can perform accelerated uploads of local files and directories to […]

We’re excited to announce create-aws-sdk-repro, an open source tool that generates ready-to-run AWS SDK for JavaScript v3 projects. You answer a few prompts, pick a service, an operation, environment, and the tool generates a project with everything wired up. With AWS credentials configured, it’s ready to run. In this post, we walk through how the […]

Smithy Java client code generation is now generally available. You can use it to build type-safe, protocol-agnostic Java clients directly from Smithy models. With Smithy Java, serialization, protocol handling, and request/response lifecycles are all generated automatically from your model. This removes the need to write or maintain any of this code by hand. In this […]

Smithy Kotlin client code generation is now generally available. With Smithy Kotlin, you can keep client libraries in sync with evolving service APIs. By using client code generation, you can reduce repetitive work and instead, automatically create type-safe Kotlin clients from your service models. In this post, you will learn what Smithy Kotlin client generation is, how it works, and how you can use it.

Upgrading from AWS Command Line Interface (AWS CLI) v1 to AWS CLI v2 brings valuable improvements, but requires attention to several changes that may affect your existing workflows, such as failing commands, or misconfiguration. The AWS CLI v1-to-v2 Migration Tool helps you identify and resolve issues before upgrading, making transition easier. It analyzes bash scripts […]