AWS Developer Tools Blog

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 […]

In this post, we show you how to upload and download directories using Transfer Manager, customize transfer with filtering options and handle results effectively.

Upgrading from AWS Command Line Interface (AWS CLI) v1 to AWS CLI v2 can be challenging and time-consuming due to changes introduced in AWS CLI v2 that can potentially break your existing workflows. If you don’t properly address breaking changes in your scripts or workflows, then executing these workflows after upgrading to AWS CLI v2 may result in unintended consequences, such as failing commands or misconfiguring resources in your AWS account.

In alignment with our V4.0 GA announcement and SDKs and Tools Maintenance Policy, version 3 of the AWS SDK for .NET will enter maintenance mode on March 1, 2026, and reach end-of-support on June 1, 2026. Starting March 1, 2026 we will stop adding regular updates to V3 and will only provide security updates until end-of-support begins.

In this post, you’ll learn how to add the Apache 5 HTTP client to your project, configure it for your needs, and migrate from the 4.5.x version.

Amazon Web Services (AWS) is announcing two new features for the AWS Command Line Interface (AWS CLI) v2: structured error output and the “off” output format.

In alignment with our previous announcement in August 2025 and SDKs and Tools Maintenance Policy, version 4 of the AWS Tools for PowerShell (AWS Tools for PowerShell v4.x) will enter maintenance mode on March 1, 2026 and reach end-of-support on June 1, 2026.