AWS Transform custom introduces new AWS-managed transformations to modernize code at scale

Published
March 31, 2026
https://aws.amazon.com/about-aws/whats-new/2026/03/transform-custom-new-transformations/

AWS Transform Custom Updates

AWS Transform custom now offers seven new AWS-managed transformations to help you modernize code at scale. These transformations address common modernization scenarios across multiple languages and frameworks.

New Features

  • Codebase Analysis Transformation: Generate hierarchical, cross-referenced documentation covering architecture, business logic, and technical debt, with actionable insights on outdated components and maintenance concerns.
  • Node.js Version Upgrade Transformation: Upgrade Node.js applications from any source version to any target version with full dependency modernization.
  • Java Performance Optimization Transformation: Analyze Java Flight Recorder (JFR) profiling data to detect CPU and memory hotspots and anti-patterns, then applies targeted code fixes to reduce resource usage and improve efficiency.
  • Log4j to SLF4J Migration Transformation: Remediate Log4j logging dependencies by migrating to the SLF4J logging framework.
  • Angular to React Migration Transformation: Transform Angular applications to React.
  • Angular Version Upgrade Transformation: Upgrade Angular applications to the latest version.
  • Vue Version Upgrade Transformation: Upgrade your Vue.js applications to the latest version.

What to do

  • Install the AWS Transform CLI.
  • Run atx custom def list to see all available transformations.
  • For more information, see AWS-Managed Transformations.

AWS Transform custom is available in US East (N. Virginia) and Europe (Frankfurt).




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