This week in Las Vegas, Amazon has made several announcements at its annual user conference, re:Invent, including updates to AWS Transform, and the introduction of Lambda managed instances.

The first announcement of interest is an update to AWS Transform, Amazon's agentic AI service for transforming Windows .NET applications, VMware systems, and mainframes.

Transform has been updated so it can create custom transformations via new agentic capabilities. Amazon says these can accelerate organization-wide code and application modernization across any code, API, framework, runtime, architecture, language, and even company-specific programming languages and frameworks. Transform has pre-built transformations for common patterns such as Java, Node.js, and Python upgrades; and custom transformations for organization-specific tasks. In each case a specialized agent executes consistent, repeatable, and high-quality transformations.

Transform is made up of a number of tools, including Transform for .Net which was originally released as part of Amazon Q Developer. When this was released, it could be used to turn Windows specific applications for .NET Framework to be cross-platform. However, the tool couldn't carry out the migration of apps that use SQL Server. This has now been rectified. The tool also can now be used to migrate apps from using SQL Server to use Aurora PostgreSQL.

Amazon says that for a typical organization, AWS Transform custom can scale modernization across hundreds or thousands of applications, achieving transformation up to 5x faster than when done manually. The transformation agent automatically captures feedback and continues to improve over time, so each subsequent transformation becomes more reliable and efficient.

The second announcement of note is the introduction of AWS Lambda Managed Instances, a new capability that can be used to run AWS Lambda functions on Amazon Elastic Compute Cloud (Amazon EC2). Amazon says this means customers can access specialized compute options and optimize costs for steady-state workloads without needing to move from the serverless development experience.

Lambda Managed Instances can be used to define how your Lambda functions run on EC2 instances. Amazon Web Services (AWS) handles setting up and managing these instances in your account. AWS handles operational details such as instance lifecycle management, OS patching, load balancing, and auto scaling. Each execution environment can process multiple requests rather than handling just one request at a time. Amazon says this can reduce compute consumption, because your code can efficiently share resources across concurrent requests instead of spinning up separate execution environments for each invocation.

Other announcements at AWS re:Invent include Amazon Nova Forge, a new platform that allows developers to build their own frontier models using Nova models; and the general availability of Amazon Nova Act, a service that helps developers build, deploy, and manage fleets of agents for UI workflows.

More Information

AWS re:Invent 2025

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