GitHub Copilot app modernization is now available in IntelliJ IDEA, bringing AI-powered modernization workflows to one of the most popular IDEs for Java developers.

With this release, you can now assess applications, apply automated code transformations, patch builds and dependencies, and containerize services. And you can do all this without leaving IntelliJ IDEA.

Copilot app modernization enables you to:

  • Generate detailed application assessment reports.
  • Perform automated code transformations.
  • Ensure successful builds, verify all unit tests, and resolve any identified CVEs.
  • Streamline containerization for cloud deployment.

These capabilities accelerate upgrades and migrations, helping teams modernize their existing Java projects with speed and confidence.

Getting started

For setup instructions, see the GitHub Copilot app modernization plugin page.

You can also watch the end-to-end introduction videos.