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This page documents production updates to the Migration Center App
Modernization Assessment tool (codmod). Check this page for
announcements about new or updated features, bug fixes, known issues, and
deprecated functionality.
You can see the latest product updates for all of Google Cloud on theGoogle Cloudpage, browse and filter all release notes in theGoogle Cloud console,
or programmatically access release notes inBigQuery.
The Migration Center App Modernization Assessment, powered by Google Gemini (via Vertex AI), is a tool designed to accelerate your application modernization journey. It offers automated, AI-powered analysis to understand your entire codebase in hours, not months, uncovering dependencies and complexities. This enables organizations to swiftly transition their existing codebases to the cloud by identifying potential blockers and providing tailored recommendations based on Google Cloud best practices, ultimately de-risking and planning your transformation with confidence.
Create custom report from template.Use a document as a template to create a custom report. The report will attempt to match the outline and style of the template document.
Added feedback and support links to HTML report.The feedback and support links point to Google Forms that will be used to gather feedback and support requests.
Added file regex flags.Two new optional flags,--force-includeand--force-exclude, have been added to provide user flexibility in file selection.
New quantitative metrics.The report summary section now includes a summary of key quantitative metrics, providing a quick, data-driven overview of the report at a glance.
Smaller Default Report and new Full Report.The default report has been streamlined to 5 sections, reducing generation time and cost. A comprehensive 12-section report can now be generated using the newcreate fullcommand.
Added a Content Security Policy (CSP)to improve the security of locally viewed HTML reports.
Removed2.5-flash-lite-expfrom Suggested Models.To improve the quality of generated reports, the support for2.5-flash-lite-expmodel was removed.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-08 UTC."],[],[],null,["This page documents production updates to the Migration Center App Modernization Assessment tool (`codmod`). Check this page for announcements about new or updated features, bug fixes, known issues, and deprecated functionality.\nYou can see the latest product updates for all of Google Cloud on the\n[Google Cloud](/release-notes) page, browse and filter all release notes in the\n[Google Cloud console](https://console.cloud.google.com/release-notes),\nor programmatically access release notes in\n[BigQuery](https://console.cloud.google.com/bigquery?p=bigquery-public-data&d=google_cloud_release_notes&t=release_notes&page=table).\n\nAugust 14, 2025 \nThe Migration Center [App Modernization Assessment tool](/migration-center/docs/app-modernization-assessment) version 0.9.0 is available in Preview.\n\nThe Migration Center App Modernization Assessment, powered by Google Gemini (via Vertex AI), is a tool designed to accelerate your application modernization journey. It offers automated, AI-powered analysis to understand your entire codebase in hours, not months, uncovering dependencies and complexities. This enables organizations to swiftly transition their existing codebases to the cloud by identifying potential blockers and providing tailored recommendations based on Google Cloud best practices, ultimately de-risking and planning your transformation with confidence. \n**Create custom report from template.** Use a document as a template to create a custom report. The report will attempt to match the outline and style of the template document. \n**Added feedback and support links to HTML report.** The feedback and support links point to Google Forms that will be used to gather feedback and support requests. \n**Added file regex flags.** Two new optional flags, `--force-include` and `--force-exclude`, have been added to provide user flexibility in file selection. \n**New quantitative metrics.** The report summary section now includes a summary of key quantitative metrics, providing a quick, data-driven overview of the report at a glance. \n**Smaller Default Report and new Full Report.** The default report has been streamlined to 5 sections, reducing generation time and cost. A comprehensive 12-section report can now be generated using the new `create full` command. \n**Added a Content Security Policy (CSP)** to improve the security of locally viewed HTML reports. \n**Removed `2.5-flash-lite-exp` from Suggested Models.** To improve the quality of generated reports, the support for `2.5-flash-lite-exp` model was removed."]]
