AWS .NET Modernization Tools Porting Assistant (PA) for .NET, AWS App2Container (A2C), AWS Toolkit for .NET Refactoring (TR), and AWS Microservice Extractor (ME) for .NET is no longer open to new customers. If you would like to use the service, sign up prior to November 7, 2025. Alternatively use [AWS Transform](https://aws.amazon.com/transform/), which is an agentic AI service developed to accelerate enterprise modernization of .NET. # Release notes for AWS App2Container The following table describes the release history for AWS App2Container in descending date order. | Release date | Version | Details | | --- | --- | --- | | August 29, 2025 | 1.51 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | May 28, 2025 | 1.50 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | April 21, 2025 | 1.49 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | December 17, 2024 | 1.48 | Starting with App2Container version 1.48, only Windows Server 2016 and later Windows Server operating systems are supported. For Windows Server 2008 and 2012, you can use App2Container version 1.47. [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | November 22, 2024 | 1.47 | This is the last version that is compatible with Windows Server 2008 and Windows Server 2012. If necessary for your operating system version, you can download the [App2Container version 1.47 binary file](https://app2container-release-us-east-1.s3.us-east-1.amazonaws.com/v1.47/windows/AWSApp2Container-installer-windows.zip) for Windows and the corresponding [file hash](https://app2container-release-us-east-1.s3.us-east-1.amazonaws.com/v1.47/windows/AWSApp2Container-installer-windows.zip.sha256) to verify the integrity of the download. For more information on installing App2Container, see [Step 1: Install App2Container](start-intro.md#start-step1-install). [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | October 10, 2024 | 1.46 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | September 11, 2024 | 1.45 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | July 26, 2024 | 1.44 | Enhanced logging for Jenkins input validation during pipeline deployment. | | July 11, 2024 | 1.43 | Improved Jenkins plugin detection during pipeline deployment. | | July 3, 2024 | 1.42 | Improved connection string detection for Windows applications. | | June 14, 2024 | 1.41 | Added support for Windows Server 2022 as a container host operating system. | | June 10, 2024 | 1.40 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | May 21, 2024 | 1.39 | This release improves the detection of connection strings and configuration files for IIS .NET applications and Windows services. | | May 2, 2024 | 1.38 | Added bug fixes, including the following:[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | March 8, 2024 | 1.37 | Updated additional AWS Lambda functions for Amazon Elastic Kubernetes Service (Amazon EKS) deployments to use Python 3.9 and runtimes provided by Amazon Linux 2 (AL2). [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | February 22, 2024 | 1.36 | Added bug fixes, including the following:[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | February 14, 2024 | 1.35 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | November 16, 2023 | 1.34 | Added support for .NET 8 applications. | | October 20, 2023 | 1.33 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | August 28, 2023 | 1.32 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | August 1, 2023 | 1.31 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | June 30, 2023 | 1.30 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | May 26, 2023 | 1.29 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | May 4, 2023 | 1.28 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | April 20, 2023 | 1.27 | Announcement App2Container version 1.27 has been rolled back due to an issue with analyzing applications on Linux. We recommend that you run the `app2container upgrade` command to install the latest generally available version. For more information, see [app2container upgrade command](cmd-upgrade.md). | | February 23, 2023 | 1.26 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | January 11, 2023 | 1.25 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | December 11, 2022 | 1.24 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | November 15, 2022 | 1.23 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | October 10, 2022 | 1.22 | Added bug fixes, including the following: [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | September 16, 2022 | 1.21 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | September 9, 2022 | 1.20 | Added bug fixes, including the following: [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | August 30, 2022 | 1.19 | Added bug fixes, including the following: [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | August 2, 2022 | 1.18 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | June 20, 2022 | 1.17 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | May 9, 2022 | 1.16 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | April 14, 2022 | 1.15 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | March 31, 2022 | 1.14 | Added bug fixes, including the following: [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | March 2, 2022 | 1.13 | Added bug fixes, including the following: [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | February 16, 2022 | 1.12 | Fixed an issue that caused remote execution commands to fail in Windows. | | February 09, 2022 | 1.11 | Added bug fixes, including the following: [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | January 14, 2022 | 1.10 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | December 8, 2021 | 1.9 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | November 24, 2021 | 1.8 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | November 4, 2021 | 1.7 | Upgraded AWS Lambda Node.js runtime to 14.x in CloudFormation templates to fix Amazon ECS deployment issue. | | October 28, 2021 | 1.6 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | July 26, 2021 | 1.5 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | May 20, 2021 | 1.4 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | March 29, 2021 | 1.3 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | December 21, 2020 | 1.2 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | November 24, 2020 | 1.1 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | September 15, 2020 | 1.0.2 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | August 5, 2020 | 1.0.1 | [\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/app2container/latest/UserGuide/release-notes.html) | | June 30, 2020 | 1.0.0 | Initial release. |